diff --git a/setup.py b/setup.py
index 2087e062ab152e56627f63424ca6fc32a25f0028..3105683964a7547fbc519e7653da1a57fcd63855 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@ setup(
         ],
         "force.bdss.extensions": [
             "mco = force_bdss.mco.multi_criteria_optimizers_plugin:"
-                   "MultiCriteriaOptimizersPlugin",
+            "MultiCriteriaOptimizersPlugin",
             "data_source = force_bdss.data_sources.data_sources_plugin:"
             "DataSourcesPlugin",
         ]