diff --git a/dist/index.js b/dist/index.js
index f12bb8ba..17940603 100644
Binary files a/dist/index.js and b/dist/index.js differ
diff --git a/dist/index.js.map b/dist/index.js.map
index 48c1482a..eaf9a0bd 100644
Binary files a/dist/index.js.map and b/dist/index.js.map differ
diff --git a/src/model/image-tag.ts b/src/model/image-tag.ts
index a28cf265..ae4e7508 100644
--- a/src/model/image-tag.ts
+++ b/src/model/image-tag.ts
@@ -60,7 +60,7 @@ class ImageTag {
       case 'linux':
         return 'ubuntu';
       default:
-        throw new Error('The Operating System of this runner is not yet supported.');
+        return '';
     }
   }