diff --git a/src/if_lua.c b/src/if_lua.c
index 45f233f..6559550 100644
--- a/src/if_lua.c
+++ b/src/if_lua.c
@@ -2776,11 +2776,11 @@
     if (lua_pcall(funcstate->L, luaargcount, 1, 0))
     {
 	luaV_emsg(funcstate->L);
-	return FCERR_OTHER;
+	return (int)FCERR_OTHER;
     }
 
     luaV_checktypval(funcstate->L, -1, rettv, "get return value");
-    return FCERR_NONE;
+    return (int)FCERR_NONE;
 }
 
 /*