diff --git a/gtk/tests/Makefile.am b/gtk/tests/Makefile.am
index 86e10585f6..cf209a1c06 100644
--- a/gtk/tests/Makefile.am
+++ b/gtk/tests/Makefile.am
@@ -95,7 +95,7 @@ action_SOURCES			 = action.c
 action_LDADD			 = $(progs_ldadd)
 
 
-EXTRA_DIST +=
+EXTRA_DIST +=				\
 	file-chooser-test-dir/empty     \
 	file-chooser-test-dir/text.txt