diff --git a/src/Makefile b/src/Makefile
index f5649d0..bf7ea80 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -2,7 +2,7 @@ TARGETS	= libGToolkit.a libGToolkit.so
 PREFIX	= /usr/local
 DESTDIR	=
 LIBDIR	= $(PREFIX)/lib
-CC	= cc
+CC	?= cc
 CPPFLAGSF= -I ../include
 CPPFLAGS?=
 CFLAGSF	= -W `pkg-config --cflags gl`
diff --git a/tools/Makefile b/tools/Makefile
index 34364c3..bf243d1 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -2,7 +2,7 @@ TARGETS	= test
 PREFIX	= /usr/local
 DESTDIR	=
 BINDIR	= $(PREFIX)/bin
-CC	= cc
+CC	?= cc
 CPPFLAGSF= -I ../include
 CPPFLAGS?=
 CFLAGSF	= -W