diff --git a/util/build.sh b/util/build.sh
index 51c2c5687..deda1cbbf 100755
--- a/util/build.sh
+++ b/util/build.sh
@@ -131,7 +131,8 @@ 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" $CONFIGURE_FLAGS CXXFLAGS='-g'
+# Default to gcc and g++ if not specified and use those compilers in config
+CC="${CC:-gcc}" CXX="${CXX:-g++}" CONFIG_SITE="$PWD/depends/$HOST/share/config.site" ./configure "$HARDENING_ARG" "$LCOV_ARG" "$TEST_ARG" "$MINING_ARG" $CONFIGURE_FLAGS "CC=$CC" "CXX=$CXX" CXXFLAGS='-g'
 
 # Build CryptoConditions stuff
 WD=$PWD