diff --git a/data/emu-main.js b/data/emu-main.js
index dcec44a..a30614a 100644
--- a/data/emu-main.js
+++ b/data/emu-main.js
@@ -4579,7 +4579,11 @@ window.EJS_main = function(_0xa88a13, _0x17edbf, _0x2c1832) {
                         _this.volume < 1 && (_0x17edbf = 0 === _this.volume ? -0x50 : 0x1e * _this.volume - 0x1e, _0x2c1832(_0x17edbf)), _this.muted && (_0x17edbf = -0x50), _0x2c1832(_0x17edbf);
                     };
                 }
-                _0x378b5c.getSaveFilePath = _0x27f4c4.Module.cwrap('save_file_path', 'string', []);
+                if (_0x27f4c4.Module._save_file_path) {
+                    _0x378b5c.getSaveFilePath = _0x27f4c4.Module.cwrap('save_file_path', 'string', []);
+                } else {
+                    _0x378b5c.getSaveFilePath = () => null;
+                }
                 // Returns a Uint8Array of the save file
                 _0x378b5c.readSaveFile = function() {
                     return FS.readFile(_0x378b5c.getSaveFilePath());