diff --git a/test/arch-x86_64-function-multiversion.sh b/test/arch-x86_64-function-multiversion.sh
index 0b061872db..39357bce37 100755
--- a/test/arch-x86_64-function-multiversion.sh
+++ b/test/arch-x86_64-function-multiversion.sh
@@ -17,12 +17,12 @@ void hello() {
 }
 EOF
 
-$CXX -B. -shared -o $t/b.so $t/a.o
+$GXX -B. -shared -o $t/b.so $t/a.o
 
-cat <<EOF | $CXX -o $t/c.o -c -xc++ - -fPIC
+cat <<EOF | $GXX -o $t/c.o -c -xc++ - -fPIC
 void hello();
 int main() { hello(); }
 EOF
 
-$CXX -B. -o $t/exe $t/b.so $t/c.o
+$GXX -B. -o $t/exe $t/b.so $t/c.o
 $QEMU $t/exe | grep -q '^H'