diff --git a/plug-ins/lighting/images/Makefile.am b/plug-ins/lighting/images/Makefile.am
index 9fa1d65e10..ecfda93401 100644
--- a/plug-ins/lighting/images/Makefile.am
+++ b/plug-ins/lighting/images/Makefile.am
@@ -12,7 +12,7 @@ STOCK_IMAGES = \
 	lighting-reflectivity-highlight-high.png	\
 	lighting-reflectivity-highlight-low.png
 
-EXTRA_DIST =
+EXTRA_DIST = \
 	$(STOCK_IMAGES)		\
 	lighting-icon-images.gresource.xml