diff --git a/src/Makefile.am b/src/Makefile.am
index c50ce1c9f..81ed2d259 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -188,7 +188,9 @@ libmutter_wayland_la_SOURCES =			\
 	ui/theme.c				\
 	meta/theme.h				\
 	ui/theme-private.h			\
-	ui/ui.c					\
+	ui/ui.c
+
+nodist_libmutter_wayland_la_SOURCES =		\
 	$(mutter_built_sources)
 
 libmutter_wayland_la_SOURCES +=			\