diff --git a/src/Tools/padder/spadderpy/__init__.py b/src/Tools/padder/spadderpy/__init__.py
index 8a1128e9b..13ec28d17 100644
--- a/src/Tools/padder/spadderpy/__init__.py
+++ b/src/Tools/padder/spadderpy/__init__.py
@@ -94,7 +94,7 @@ def getSpadderCatalogFilename():
 def loadSpadderCatalog():
     import salome
     salome.salome_init()
-    obj = salome.naming_service.Resolve('Kernel/ModulCatalog')
+    obj = salome.naming_service.Resolve('/Kernel/ModulCatalog')
     import SALOME_ModuleCatalog
     catalog = obj._narrow(SALOME_ModuleCatalog.ModuleCatalog)
     if not catalog: