diff --git a/util/build.sh b/util/build.sh
index 7b9bb25ec..67e34898a 100755
--- a/util/build.sh
+++ b/util/build.sh
@@ -131,7 +131,7 @@ HOST="$HOST" BUILD="$BUILD" "$MAKE" "$@" -C ./depends/ V=1
 
 time ./autogen.sh
 
-CONFIG_SITE="$PWD/depends/$HOST/share/config.site" ./configure "$HARDENING_ARG" "$LCOV_ARG" "$TEST_ARG" "$MINING_ARG" $CONFIGURE_FLAGS CXXFLAGS='-g' CFLAGS='-std=gnu17'
+CC=${CC:-gcc} CXX=${CXX:-g++} CONFIG_SITE="$PWD/depends/$HOST/share/config.site" ./configure "$HARDENING_ARG" "$LCOV_ARG" "$TEST_ARG" "$MINING_ARG" $CONFIGURE_FLAGS CXXFLAGS='-g' CFLAGS='-std=gnu17'
 
 # Build CryptoConditions stuff
 WD=$PWD