diff --git a/contrib/stack/topsStack/fetchOrbit.py b/contrib/stack/topsStack/fetchOrbit.py
index 60f532f..e41a7ad 100755
--- a/contrib/stack/topsStack/fetchOrbit.py
+++ b/contrib/stack/topsStack/fetchOrbit.py
@@ -171,7 +171,7 @@ if __name__ == '__main__':
                 for resulturl, result in parser.fileList:
                     if oType == 'precise':
                         match = os.path.join(resulturl, result)
-                    elif oType == "restituted":
+                    elif oType == 'restituted':
                         tbef, taft, mission = fileToRange(os.path.basename(result))
                         if (tbef <= fileTSStart) and (taft >= fileTS):
                             match = os.path.join(resulturl, result)