diff --git a/packages/app/client/src/ui/editor/emulator/parts/inspector/inspector.tsx b/packages/app/client/src/ui/editor/emulator/parts/inspector/inspector.tsx
index c5ae8f5e8..2db9eee80 100644
--- a/packages/app/client/src/ui/editor/emulator/parts/inspector/inspector.tsx
+++ b/packages/app/client/src/ui/editor/emulator/parts/inspector/inspector.tsx
@@ -300,14 +300,15 @@ export class Inspector extends React.Component<InspectorProps, InspectorState> {
   }
 
   private createWebView(state: InspectorState): ElectronHTMLWebViewElement {
-    const webView: any = document.createElement('webview');
-    webView.executeJavaScript(inspectPreload);
+    const webView: ElectronHTMLWebViewElement = document.createElement('webview');
+
     webView.className = styles.webViewContainer;
     webView.addEventListener('dragenter', this.onInspectorDrag, true);
     webView.addEventListener('dragover', this.onInspectorDrag, true);
     webView.addEventListener('ipc-message', this.ipcMessageEventHandler);
     webView.setAttribute('partition', `persist:${state.botHash}`);
-
+    webView.setAttribute('preload', state.inspector.preloadPath);
+    webView.setAttribute('src', encodeURI(state.inspector.src));
     return webView;
   }
 
diff --git a/packages/app/main/src/extensions.ts b/packages/app/main/src/extensions.ts
index 6768f94d8..e924bbf23 100644
--- a/packages/app/main/src/extensions.ts
+++ b/packages/app/main/src/extensions.ts
@@ -280,27 +280,16 @@ class ExtManagerImpl extends DisposableImpl implements ExtensionManager {
     inspectors.forEach(inspector => {
       inspector.src = (inspector.src || '').replace(/\\/g, '/');
     });
-    if (
-      extension.config.client.debug &&
-      extension.config.client.debug.enabled &&
-      extension.config.client.debug.webpack
-    ) {
-      // If running in debug mode, rewrite inspector paths as http URLs for webpack-dev-server.
-      const port = extension.config.client.debug.webpack.port || 3030;
-      const host = extension.config.client.debug.webpack.host || 'localhost';
-      inspectors.forEach(inspector => {
-        inspector.src = `http://${host}:${port}/${inspector.src}`.replace(extension.config.client.basePath, '');
-      });
-    } else {
-      // If not in debug mode, rewrite paths as file path URLs.
-      inspectors.forEach(inspector => {
-        let folder = path.resolve(configPath).replace(/\\/g, '/');
-        if (folder[0] !== '/') {
-          folder = `/${folder}`;
-        }
-        inspector.src = `file://${folder}/` + inspector.src;
-      });
-    }
+    inspectors.forEach(inspector => {
+      let folder = path.resolve(configPath).replace(/\\/g, '/');
+      if (folder[0] !== '/') {
+        folder = `/${folder}`;
+      }
+      inspector.src = `file://${folder}/` + inspector.src;
+      inspector.preloadPath =
+        'file://' + path.resolve(path.join(__dirname, '..', 'extensions', 'inspector-preload.js'));
+    });
+
     // Connect to the extension's node process (if any).
     extension.connect();
     // Notify the client of the new extension.
diff --git a/packages/app/client/src/ui/editor/emulator/parts/inspector/inspector-preload.js b/packages/app/main/src/extensions/inspector-preload.js
similarity index 100%
rename from packages/app/client/src/ui/editor/emulator/parts/inspector/inspector-preload.js
rename to packages/app/main/src/extensions/inspector-preload.js
diff --git a/packages/sdk/shared/src/extensions/config.ts b/packages/sdk/shared/src/extensions/config.ts
index c36332f1c..112413f8a 100644
--- a/packages/sdk/shared/src/extensions/config.ts
+++ b/packages/sdk/shared/src/extensions/config.ts
@@ -67,6 +67,7 @@ export interface InspectorAccessoryState extends HTMLAttributes<HTMLButtonElemen
 export interface ExtensionInspector {
   name?: string;
   src?: string;
+  preloadPath?: string;
   criteria?: InspectorCriteria | InspectorCriteria[];
   summaryText?: string | string[];
   accessories?: InspectorAccessory[];