diff --git a/demos/graph/rules.mk b/demos/graph/rules.mk
index a9de5766c..0af25f4ca 100644
--- a/demos/graph/rules.mk
+++ b/demos/graph/rules.mk
@@ -73,7 +73,7 @@ COMPILE_GRAPH_LIB = ar -r $@ $(GRAPH_OBJS)
 # Add the rules used to detect and compile graphics driver depending
 # on the current platform..
 #
-include $(wildcard $(GRAPH_)/*/rules.mk)
+include $(wildcard $(TOP2)/graph/*/rules.mk)
 
 #########################################################################
 #