diff --git a/gtk/Makefile.am b/gtk/Makefile.am
index 1fdee6f720..eede2c976b 100644
--- a/gtk/Makefile.am
+++ b/gtk/Makefile.am
@@ -1320,7 +1320,7 @@ gtk.gresource.xml: Makefile.am inspector/Makefile.inc
 	  echo "    <file preprocess='xml-stripblanks'>ui/$$n</file>" >> $@; \
 	done; \
 	for s in 16x16 22x22 24x24 32x32 48x48; do \
-	  for c in actions status; do \
+	  for c in actions status categories; do \
 	    for f in $(srcdir)/icons/$$s/$$c/*.png; do \
 	      test "$$f" = "$(srcdir)/icons/$$s/$$c/*.png" && continue; \
 	      n=`basename $$f`; \
diff --git a/gtk/icons/16x16/categories/emoji-activities-symbolic.symbolic.png b/gtk/icons/16x16/categories/emoji-activities-symbolic.symbolic.png
new file mode 100644
index 0000000000..eace08fa5b
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diff --git a/gtk/icons/16x16/categories/emoji-body-symbolic.symbolic.png b/gtk/icons/16x16/categories/emoji-body-symbolic.symbolic.png
new file mode 100644
index 0000000000..71b1720475
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diff --git a/gtk/icons/16x16/categories/emoji-flags-symbolic.symbolic.png b/gtk/icons/16x16/categories/emoji-flags-symbolic.symbolic.png
new file mode 100644
index 0000000000..bd29c5e086
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diff --git a/gtk/icons/16x16/categories/emoji-food-symbolic.symbolic.png b/gtk/icons/16x16/categories/emoji-food-symbolic.symbolic.png
new file mode 100644
index 0000000000..5e51e85295
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diff --git a/gtk/icons/16x16/categories/emoji-nature-symbolic.symbolic.png b/gtk/icons/16x16/categories/emoji-nature-symbolic.symbolic.png
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index 0000000000..19cc28a11f
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diff --git a/gtk/icons/16x16/categories/emoji-objects-symbolic.symbolic.png b/gtk/icons/16x16/categories/emoji-objects-symbolic.symbolic.png
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index 0000000000..31b623c2a8
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diff --git a/gtk/icons/16x16/categories/emoji-people-symbolic.symbolic.png b/gtk/icons/16x16/categories/emoji-people-symbolic.symbolic.png
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index 0000000000..93b0d7c62c
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diff --git a/gtk/icons/16x16/categories/emoji-recent-symbolic.symbolic.png b/gtk/icons/16x16/categories/emoji-recent-symbolic.symbolic.png
new file mode 100644
index 0000000000..7309c288c9
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diff --git a/gtk/icons/16x16/categories/emoji-symbols-symbolic.symbolic.png b/gtk/icons/16x16/categories/emoji-symbols-symbolic.symbolic.png
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index 0000000000..944eaf2fe1
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diff --git a/gtk/icons/16x16/categories/emoji-travel-symbolic.symbolic.png b/gtk/icons/16x16/categories/emoji-travel-symbolic.symbolic.png
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index 0000000000..23f5358e98
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diff --git a/gtk/icons/24x24/categories/emoji-activities-symbolic.symbolic.png b/gtk/icons/24x24/categories/emoji-activities-symbolic.symbolic.png
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index 0000000000..f270d304b0
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diff --git a/gtk/icons/24x24/categories/emoji-body-symbolic.symbolic.png b/gtk/icons/24x24/categories/emoji-body-symbolic.symbolic.png
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index 0000000000..bfa21d397d
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diff --git a/gtk/icons/24x24/categories/emoji-flags-symbolic.symbolic.png b/gtk/icons/24x24/categories/emoji-flags-symbolic.symbolic.png
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index 0000000000..b726ce05c5
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diff --git a/gtk/icons/24x24/categories/emoji-food-symbolic.symbolic.png b/gtk/icons/24x24/categories/emoji-food-symbolic.symbolic.png
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index 0000000000..a7da9dee05
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diff --git a/gtk/icons/24x24/categories/emoji-nature-symbolic.symbolic.png b/gtk/icons/24x24/categories/emoji-nature-symbolic.symbolic.png
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index 0000000000..5aac57311f
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diff --git a/gtk/icons/24x24/categories/emoji-objects-symbolic.symbolic.png b/gtk/icons/24x24/categories/emoji-objects-symbolic.symbolic.png
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index 0000000000..620ca7bb89
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diff --git a/gtk/icons/24x24/categories/emoji-people-symbolic.symbolic.png b/gtk/icons/24x24/categories/emoji-people-symbolic.symbolic.png
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index 0000000000..d1a0866820
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diff --git a/gtk/icons/24x24/categories/emoji-recent-symbolic.symbolic.png b/gtk/icons/24x24/categories/emoji-recent-symbolic.symbolic.png
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index 0000000000..527bc43948
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diff --git a/gtk/icons/24x24/categories/emoji-symbols-symbolic.symbolic.png b/gtk/icons/24x24/categories/emoji-symbols-symbolic.symbolic.png
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index 0000000000..a1d74e0e9f
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diff --git a/gtk/icons/24x24/categories/emoji-travel-symbolic.symbolic.png b/gtk/icons/24x24/categories/emoji-travel-symbolic.symbolic.png
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index 0000000000..01c08a8de5
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diff --git a/gtk/icons/32x32/categories/emoji-activities-symbolic.symbolic.png b/gtk/icons/32x32/categories/emoji-activities-symbolic.symbolic.png
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index 0000000000..191323867e
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diff --git a/gtk/icons/32x32/categories/emoji-body-symbolic.symbolic.png b/gtk/icons/32x32/categories/emoji-body-symbolic.symbolic.png
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index 0000000000..ce3a4b7d62
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diff --git a/gtk/icons/32x32/categories/emoji-flags-symbolic.symbolic.png b/gtk/icons/32x32/categories/emoji-flags-symbolic.symbolic.png
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index 0000000000..845b776963
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diff --git a/gtk/icons/32x32/categories/emoji-food-symbolic.symbolic.png b/gtk/icons/32x32/categories/emoji-food-symbolic.symbolic.png
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index 0000000000..c5654c5e44
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diff --git a/gtk/icons/32x32/categories/emoji-nature-symbolic.symbolic.png b/gtk/icons/32x32/categories/emoji-nature-symbolic.symbolic.png
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index 0000000000..fbb6af5833
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diff --git a/gtk/icons/32x32/categories/emoji-objects-symbolic.symbolic.png b/gtk/icons/32x32/categories/emoji-objects-symbolic.symbolic.png
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diff --git a/gtk/icons/32x32/categories/emoji-people-symbolic.symbolic.png b/gtk/icons/32x32/categories/emoji-people-symbolic.symbolic.png
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index 0000000000..99cbbf2186
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diff --git a/gtk/icons/32x32/categories/emoji-recent-symbolic.symbolic.png b/gtk/icons/32x32/categories/emoji-recent-symbolic.symbolic.png
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diff --git a/gtk/icons/32x32/categories/emoji-symbols-symbolic.symbolic.png b/gtk/icons/32x32/categories/emoji-symbols-symbolic.symbolic.png
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diff --git a/gtk/icons/32x32/categories/emoji-travel-symbolic.symbolic.png b/gtk/icons/32x32/categories/emoji-travel-symbolic.symbolic.png
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diff --git a/gtk/icons/48x48/categories/emoji-activities-symbolic.symbolic.png b/gtk/icons/48x48/categories/emoji-activities-symbolic.symbolic.png
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index 0000000000..caa453f739
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diff --git a/gtk/icons/48x48/categories/emoji-body-symbolic.symbolic.png b/gtk/icons/48x48/categories/emoji-body-symbolic.symbolic.png
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diff --git a/gtk/icons/48x48/categories/emoji-flags-symbolic.symbolic.png b/gtk/icons/48x48/categories/emoji-flags-symbolic.symbolic.png
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diff --git a/gtk/icons/48x48/categories/emoji-food-symbolic.symbolic.png b/gtk/icons/48x48/categories/emoji-food-symbolic.symbolic.png
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diff --git a/gtk/icons/48x48/categories/emoji-nature-symbolic.symbolic.png b/gtk/icons/48x48/categories/emoji-nature-symbolic.symbolic.png
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diff --git a/gtk/icons/48x48/categories/emoji-objects-symbolic.symbolic.png b/gtk/icons/48x48/categories/emoji-objects-symbolic.symbolic.png
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diff --git a/gtk/icons/48x48/categories/emoji-people-symbolic.symbolic.png b/gtk/icons/48x48/categories/emoji-people-symbolic.symbolic.png
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diff --git a/gtk/icons/48x48/categories/emoji-recent-symbolic.symbolic.png b/gtk/icons/48x48/categories/emoji-recent-symbolic.symbolic.png
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diff --git a/gtk/icons/48x48/categories/emoji-symbols-symbolic.symbolic.png b/gtk/icons/48x48/categories/emoji-symbols-symbolic.symbolic.png
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diff --git a/gtk/icons/48x48/categories/emoji-travel-symbolic.symbolic.png b/gtk/icons/48x48/categories/emoji-travel-symbolic.symbolic.png
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