diff --git a/src/cc/Makefile_custom b/src/cc/Makefile_custom
index 9db01b106..d3ecf9c25 100644
--- a/src/cc/Makefile_custom
+++ b/src/cc/Makefile_custom
@@ -1,5 +1,4 @@
 SHELL		= /bin/sh
-CC		= gcc
 CC_DARWIN	= g++-8
 CC_WIN		= x86_64-w64-mingw32-gcc-posix
 CC_AARCH64	= aarch64-linux-gnu-g++
diff --git a/util/build.sh b/util/build.sh
index ea7acfb33..51c2c5687 100755
--- a/util/build.sh
+++ b/util/build.sh
@@ -137,7 +137,7 @@ CONFIG_SITE="$PWD/depends/$HOST/share/config.site" ./configure "$HARDENING_ARG"
 WD=$PWD
 cd src/cc
 echo $PWD
-./makecustom
+CC=${CC:-gcc} ./makecustom
 cd $WD
 
 # Build RandomX