diff --git a/apps/twnlua/game.c b/apps/twnlua/game.c
index 0fd7330..f578a39 100644
--- a/apps/twnlua/game.c
+++ b/apps/twnlua/game.c
@@ -47,10 +47,13 @@ static int physfs_loader(lua_State *L) {
     free(final_path);
 
     /* TODO: use reader interface for streaming instead */
-    int const result = luaL_loadbuffer(L, (char *)buf, buf_size, name) == LUA_OK;
+    int const result = luaL_loadbuffer(L, (char *)buf, buf_size, name);
     free(buf);
 
-    return result;
+    if (result != LUA_OK)
+        log_critical("%s", lua_tostring(L, -1));
+
+    return result == LUA_OK;
 }