--- a/dom/filehandle/ActorsParent.cpp
+++ b/dom/filehandle/ActorsParent.cpp
@@ -892,17 +892,17 @@ FileHandleThreadPool::Enqueue(FileHandle
   }
   else {
     FileHandleQueue* fileHandleQueue =
       directoryInfo->CreateFileHandleQueue(aFileHandle);
 
     if (aFileHandleOp) {
       fileHandleQueue->Enqueue(aFileHandleOp);
       if (aFinish) {
-        existingFileHandleQueue->Finish();
+        fileHandleQueue->Finish();
       }
     }
   }
 }
 
 void
 FileHandleThreadPool::WaitForDirectoriesToComplete(
                                              nsTArray<nsCString>&& aDirectoryIds,