diff --git a/Source/Wpf/Prism.Wpf/PrismApplicationBase.cs b/Source/Wpf/Prism.Wpf/PrismApplicationBase.cs
index 3020b019c..338d892c2 100644
--- a/Source/Wpf/Prism.Wpf/PrismApplicationBase.cs
+++ b/Source/Wpf/Prism.Wpf/PrismApplicationBase.cs
@@ -86,8 +86,9 @@ public virtual void Initialize()
                 RegionManager.SetRegionManager(shell, _containerExtension.Resolve<IRegionManager>());
                 RegionManager.UpdateRegions();
                 InitializeShell(shell);
-                InitializeModules();
             }
+			
+            InitializeModules();
         }
 
         /// <summary>