diff --git a/lib/manager/gradle/index.ts b/lib/manager/gradle/index.ts
index f77f13d7176444519faadce53bbbbcb0d4163b05..0816e5a0d2a7859213559208ca36eb42ee5da0a7 100644
--- a/lib/manager/gradle/index.ts
+++ b/lib/manager/gradle/index.ts
@@ -89,6 +89,7 @@ async function executeGradle(
       logger.warn('Gradle resolution error');
       return;
     }
+    // istanbul ignore if
     if (err.message.includes('FAILURE: Build failed with an exception.')) {
       logger.info({ message: err.message }, 'Gradle extraction failed');
       return;