diff --git a/src/plugins/platforms/wasm/qtloader.js b/src/plugins/platforms/wasm/qtloader.js
index ef4a6ec2b9b..b159cd63ab2 100644
--- a/src/plugins/platforms/wasm/qtloader.js
+++ b/src/plugins/platforms/wasm/qtloader.js
@@ -242,7 +242,7 @@ function QtLoader(config)
     publicAPI.setFontDpi = setFontDpi;
     publicAPI.fontDpi = fontDpi;
 
-    restartCount = 0;
+    self.restartCount = 0;
 
     function fetchResource(filePath) {
         var fullPath = config.path + filePath;