diff --git a/lib/firefox/firefoxBidi.js b/lib/firefox/firefoxBidi.js
index a24f13814..019faf273 100644
--- a/lib/firefox/firefoxBidi.js
+++ b/lib/firefox/firefoxBidi.js
@@ -20,7 +20,10 @@ export class FirefoxBidi {
     };
 
     try {
-      await this.bidi.send(params);
+      const result = await this.bidi.send(params);
+      if (result.type != 'success') {
+        log.error(result);
+      }
     } catch (error) {
       log.error('Could not inject JavaScript:' + error);
     }
@@ -55,7 +58,10 @@ export class FirefoxBidi {
             }
           }
         };
-        await bidi.send(continueWithAuth);
+        const result = await bidi.send(continueWithAuth);
+        if (result.type != 'success') {
+          log.error(result);
+        }
       }
     });
   }
@@ -82,7 +88,10 @@ export class FirefoxBidi {
         }
       };
       try {
-        await this.bidi.send(params);
+        const result = await this.bidi.send(params);
+        if (result.type != 'success') {
+          log.error(result);
+        }
       } catch (error) {
         log.error('Could not set cookie:' + error);
       }