diff --git a/extension/src/json-viewer/extract-json.js b/extension/src/json-viewer/extract-json.js
index 58200399..6cc2676d 100644
--- a/extension/src/json-viewer/extract-json.js
+++ b/extension/src/json-viewer/extract-json.js
@@ -2,8 +2,8 @@ function extractJSON(rawJson) {
   return rawJson
     .replace(/\s*while\((1|true)\)\s*;?/, '')
     .replace(/\s*for\(;;\)\s*;?/, '')
-    .replace(/^[^{\[].+\({/, '{')
-    .replace(/}\);?\s*$/, '}');
+    .replace(/^[^{\[].+\(\s?{/, '{')
+    .replace(/}\s?\);?\s*$/, '}');
 }
 
 module.exports = extractJSON;