small fix in rules
diff --git a/demos/graph/rules.mk b/demos/graph/rules.mk
index a9de576..0af25f4 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)
#########################################################################
#