diff --git a/tests/reftests/Makefile.am b/tests/reftests/Makefile.am
index 709b253b36..a02b44a349 100644
--- a/tests/reftests/Makefile.am
+++ b/tests/reftests/Makefile.am
@@ -229,6 +229,8 @@ EXTRA_DIST += \
sizegroups-basics.ref.ui \
sizegroups-evolution-identity-page.ui \
sizegroups-evolution-identity-page.ref.ui \
+ sizegroups-get-preferred-null.ui \
+ sizegroups-get-preferred-null.ref.ui \
style-properties-nth-child.css \
style-properties-nth-child.ref.ui \
style-properties-nth-child.ui \
diff --git a/tests/reftests/sizegroups-get-preferred-null.ref.ui b/tests/reftests/sizegroups-get-preferred-null.ref.ui
new file mode 100644
index 0000000000..54aa61c4b0
--- /dev/null
+++ b/tests/reftests/sizegroups-get-preferred-null.ref.ui
@@ -0,0 +1,21 @@
+
+
+
+
+
diff --git a/tests/reftests/sizegroups-get-preferred-null.ui b/tests/reftests/sizegroups-get-preferred-null.ui
new file mode 100644
index 0000000000..23b78f95d1
--- /dev/null
+++ b/tests/reftests/sizegroups-get-preferred-null.ui
@@ -0,0 +1,26 @@
+
+
+
+
+ False
+ popup
+
+
+ True
+ False
+
+
+ True
+ Check that a container that calls gtk_widget_get_preferred_width/height() with natural or minimum being NULL doesn't cause a crash with size groups.
+ True
+
+
+
+
+
+
+
+
+
+
+