diff --git a/tests/css/parser/Makefile.am b/tests/css/parser/Makefile.am
index 5b0e8faf09..b3b82ff58a 100644
--- a/tests/css/parser/Makefile.am
+++ b/tests/css/parser/Makefile.am
@@ -284,6 +284,7 @@ EXTRA_DIST += \
 	pseudo-classes-unknown.errors \
 	pseudo-classes-unknown.ref.css \
 	selector.css \
+	selector.errors \
 	selector.ref.css \
 	shorthand.css \
 	shorthand.ref.css \