diff --git a/tools/Makefile b/tools/Makefile
index 752658b06..3dd4fb62a 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -1,5 +1,6 @@
 .PHONY: all clean
 
+CC := gcc
 CFLAGS := -std=c99
 
 tools := \