diff --git a/src/Solver/Mage.py b/src/Solver/Mage.py
index 5364621352f56295de8ff0e6cd4151d14883d6e0..4b98972035e3e4ffac678056c7f9d951b3277343 100644
--- a/src/Solver/Mage.py
+++ b/src/Solver/Mage.py
@@ -453,7 +453,7 @@ class Mage(CommandLineSolver):
             "BO": "A",
             "UD": "X",
             "PO": "P",
-            }
+        }
 
         hydraulic_structures = study.river.hydraulic_structures.lst
         if len(hydraulic_structures) == 0: