diff --git a/Make/makedirdefs b/Make/makedirdefs
index bfe5d687b..22ceb7c99 100644
--- a/Make/makedirdefs
+++ b/Make/makedirdefs
@@ -88,7 +88,7 @@ ifeq ($(LIBPNG_INSTALLED),yes)
 endif
 
 ifeq ($(LIBMPEG3_INSTALLED),yes)
-    EXAMPLE_DIRS += mpeg
+  PLUGIN_DIRS += mpeg
 endif