diff --git a/src/Makefile b/src/Makefile
index e0d4c9f..23f8273 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -7,7 +7,7 @@
 # Your platform. See PLATS for possible values.
 PLAT= none

-CC= gcc
+CC?= gcc
 CFLAGS= -O2 -Wall $(MYCFLAGS)
 AR= ar rcu
 RANLIB= ranlib