diff --git a/eos/reduction_reflectivity.py b/eos/reduction_reflectivity.py
index 685f094..7091725 100644
--- a/eos/reduction_reflectivity.py
+++ b/eos/reduction_reflectivity.py
@@ -125,8 +125,8 @@ class ReflectivityReduction:
                 _sampleName = 'unknown'
             _mu = int(self.dataset.geometry.mu * 3)
             self.config.output.outputName = f'{_sampleName}_{_mu:03}_{_date}'
-        else:
-            self.config.output.outputName = self.config.output.outputName.rstrip('.Rqz.ort')
+        elif self.config.output.outputName.endswith('.Rqz.ort'):
+            self.config.output.outputName = self.config.output.outputName[:-len('.Rqz.ort')]
 
         logging.warning('output:')