diff --git a/PKRevealController/Controller/PKRevealControllerContainerView.m b/PKRevealController/Controller/PKRevealControllerContainerView.m
index ecdbb5b..a929d49 100644
--- a/PKRevealController/Controller/PKRevealControllerContainerView.m
+++ b/PKRevealController/Controller/PKRevealControllerContainerView.m
@@ -35,10 +35,6 @@ - (id)initForController:(UIViewController *)controller shadow:(BOOL)hasShadow
     if (self != nil)
     {
         self.viewController = controller;
-        if (hasShadow)
-        {
-            [self setupShadow];
-        }
         self.shadow = hasShadow;
     }
     
@@ -64,6 +60,9 @@ - (void)layoutSubviews
 {
     [super layoutSubviews];
     // layout controller view
+    if (self.shadow && !self.layer.shadowPath) {
+        [self setupShadow];
+    }
     self.viewController.view.frame = self.viewController.view.bounds;
 }
 
@@ -109,4 +108,4 @@ - (void)disableUserInteractionForContainedView
     [self.viewController.view setUserInteractionEnabled:NO];
 }
 
-@end
\ No newline at end of file
+@end