diff --git a/src/main/index.js b/src/main/index.js
index efd917060..851922dca 100644
--- a/src/main/index.js
+++ b/src/main/index.js
@@ -228,27 +228,29 @@ process.on('uncaughtException', error => {
 
 // Force single instance application
 const isSecondInstance = app.makeSingleInstance(argv => {
-  if (
-    (process.platform === 'win32' || process.platform === 'linux') &&
-    String(argv[1]).startsWith('lbry')
-  ) {
-    let URI = argv[1];
+  if (rendererWindow) {
+    if (
+      (process.platform === 'win32' || process.platform === 'linux') &&
+      String(argv[1]).startsWith('lbry')
+    ) {
+      let URI = argv[1];
 
-    // Keep only command line / deep linked arguments
-    // Windows normalizes URIs when they're passed in from other apps. On Windows, this tries to
-    // restore the original URI that was typed.
-    //   - If the URI has no path, Windows adds a trailing slash. LBRY URIs can't have a slash with no
-    //     path, so we just strip it off.
-    //   - In a URI with a claim ID, like lbry://channel#claimid, Windows interprets the hash mark as
-    //     an anchor and converts it to lbry://channel/#claimid. We remove the slash here as well.
-    if (process.platform === 'win32') {
-      URI = URI.replace(/\/$/, '').replace('/#', '#');
+      // Keep only command line / deep linked arguments
+      // Windows normalizes URIs when they're passed in from other apps. On Windows, this tries to
+      // restore the original URI that was typed.
+      //   - If the URI has no path, Windows adds a trailing slash. LBRY URIs can't have a slash with no
+      //     path, so we just strip it off.
+      //   - In a URI with a claim ID, like lbry://channel#claimid, Windows interprets the hash mark as
+      //     an anchor and converts it to lbry://channel/#claimid. We remove the slash here as well.
+      if (process.platform === 'win32') {
+        URI = URI.replace(/\/$/, '').replace('/#', '#');
+      }
+
+      rendererWindow.webContents.send('open-uri-requested', URI);
     }
 
-    rendererWindow.webContents.send('open-uri-requested', URI);
+    rendererWindow.show();
   }
-
-  rendererWindow.show();
 });
 
 if (isSecondInstance) {