diff --git a/sim/mn10300/sim-main.c b/sim/mn10300/sim-main.c
new file mode 100644
index 0000000000..a04099d341
--- /dev/null
+++ b/sim/mn10300/sim-main.c
@@ -0,0 +1,4 @@
+#ifndef SIM_MAIN_C
+#define SIM_MAIN_C
+#include "op_utils.c"
+#endif