diff --git a/scripts/worker.js b/scripts/worker.js
index 156daa7..b22db4a 100644
--- a/scripts/worker.js
+++ b/scripts/worker.js
@@ -23,7 +23,7 @@ this.onmessage = function(e) {
       this.name = "ManipulationException";
       this.message = message;
     };
-    throw new InverterException('Image manipulation error');
+    throw new ManipulatorException('Image manipulation error');
     postMessage(undefined);
   }
-}
\ No newline at end of file
+}