diff --git a/apps/sbc/tools/Makefile b/apps/sbc/tools/Makefile
index 3bca8548..50585808 100644
--- a/apps/sbc/tools/Makefile
+++ b/apps/sbc/tools/Makefile
@@ -1,5 +1,5 @@
-COREPATH ?= ../../../core
-include $(COREPATH)/../Makefile.defs
+COREPATH_TOOLS ?= ../../../core
+include $(COREPATH_TOOLS)/../Makefile.defs
 
 sbc_scripts = $(wildcard sems-sbc-*)