diff --git a/tools/gbagfx/Makefile b/tools/gbagfx/Makefile
index 8728fa8d09..8a52d52d37 100644
--- a/tools/gbagfx/Makefile
+++ b/tools/gbagfx/Makefile
@@ -1,4 +1,4 @@
-CC = gcc
+CC ?= gcc
 
 CFLAGS = -Wall -Wextra -Werror -Wno-sign-compare -std=c11 -O2 -DPNG_SKIP_SETJMP_CHECK
 CFLAGS += $(shell pkg-config --cflags libpng)