diff --git a/mp-build/scripts/mp-build.sh b/mp-build/scripts/mp-build.sh
index 9610ba8..1e8b1c4 100755
--- a/mp-build/scripts/mp-build.sh
+++ b/mp-build/scripts/mp-build.sh
@@ -345,7 +345,7 @@ unset_indent
 
 info "Running the build function"
 export CC="gcc"
-export CXX="gcc"
+export CXX="g++"
 export CFLAGS="-march=x86-64 -mtune=generic -O2"
 export ROOTDIR="${rootpath}"
 export MAKEFLAGS="-j${OPT_CORES}"