diff --git a/nlp b/nlp
index dc8c23c..1d929c3 100755
--- a/nlp
+++ b/nlp
@@ -99,12 +99,16 @@ class NLPPipeline(WorkflowRunner):
         '''
         zip_jobs = []
         if self.zip is not None:
+            # Remove .zip file extension if provided
+            if self.zip.endswith('.zip'):
+                self.zip = self.zip[:-4]
+                self.zip = self.zip if self.zip else 'output'
             cmd = 'cd "{}"'.format(self.output_dir)
             cmd += ' && '
             cmd += 'zip'
             cmd += ' -m'
             cmd += ' -r'
-            cmd += ' "{}_-_vrt" .'.format(self.zip)
+            cmd += ' "{}".zip .'.format(self.zip)
             cmd += ' -x "pyflow.data*"'
             cmd += ' -i "*.vrt"'
             cmd += ' && '