diff --git a/MMDrawerController/MMDrawerController.h b/MMDrawerController/MMDrawerController.h
index 4369829d..5d06d7b2 100644
--- a/MMDrawerController/MMDrawerController.h
+++ b/MMDrawerController/MMDrawerController.h
@@ -281,7 +281,7 @@ typedef void (^MMDrawerControllerDrawerVisualStateBlock)(MMDrawerController * dr
  @param completion The block called when the animation is finsihed.
  
  */
--(void)setCenterViewController:(UIViewController *)centerViewController withCloseAnimation:(BOOL)closeAnimated completion:(void(^)(BOOL))completion;
+-(void)setCenterViewController:(UIViewController *)centerViewController withCloseAnimation:(BOOL)closeAnimated completion:(void(^)(BOOL finished))completion;
 
 /**
  Sets the new `centerViewController`. 
@@ -293,7 +293,7 @@ typedef void (^MMDrawerControllerDrawerVisualStateBlock)(MMDrawerController * dr
  @param completion The block called when the animation is finsihed.
  
  */
--(void)setCenterViewController:(UIViewController *)newCenterViewController withFullCloseAnimation:(BOOL)fullCloseAnimated completion:(void(^)(BOOL))completion;
+-(void)setCenterViewController:(UIViewController *)newCenterViewController withFullCloseAnimation:(BOOL)fullCloseAnimated completion:(void(^)(BOOL finished))completion;
 
 ///---------------------------------------
 /// @name Animating the Width of a Drawer
diff --git a/MMDrawerController/MMDrawerController.m b/MMDrawerController/MMDrawerController.m
index e4102918..629469eb 100644
--- a/MMDrawerController/MMDrawerController.m
+++ b/MMDrawerController/MMDrawerController.m
@@ -171,7 +171,7 @@ -(id)initWithCenterViewController:(UIViewController *)centerViewController right
 }
 
 #pragma mark - Open/Close methods
--(void)toggleDrawerSide:(MMDrawerSide)drawerSide animated:(BOOL)animated completion:(void (^)(BOOL))completion{
+-(void)toggleDrawerSide:(MMDrawerSide)drawerSide animated:(BOOL)animated completion:(void (^)(BOOL finished))completion{
     NSParameterAssert(drawerSide!=MMDrawerSideNone);
     if(self.openSide == MMDrawerSideNone){
         [self openDrawerSide:drawerSide animated:animated completion:completion];
@@ -189,11 +189,11 @@ -(void)toggleDrawerSide:(MMDrawerSide)drawerSide animated:(BOOL)animated complet
     }
 }
 
--(void)closeDrawerAnimated:(BOOL)animated completion:(void (^)(BOOL))completion{
+-(void)closeDrawerAnimated:(BOOL)animated completion:(void (^)(BOOL finished))completion{
     [self closeDrawerAnimated:animated velocity:self.animationVelocity animationOptions:UIViewAnimationOptionCurveEaseInOut completion:completion];
 }
 
--(void)closeDrawerAnimated:(BOOL)animated velocity:(CGFloat)velocity animationOptions:(UIViewAnimationOptions)options completion:(void (^)(BOOL))completion{
+-(void)closeDrawerAnimated:(BOOL)animated velocity:(CGFloat)velocity animationOptions:(UIViewAnimationOptions)options completion:(void (^)(BOOL finished))completion{
     if (self.isAnimatingDrawer) {
         if(completion){
             completion(NO);
@@ -249,13 +249,13 @@ -(void)closeDrawerAnimated:(BOOL)animated velocity:(CGFloat)velocity animationOp
     }
 }
 
--(void)openDrawerSide:(MMDrawerSide)drawerSide animated:(BOOL)animated completion:(void (^)(BOOL))completion{
+-(void)openDrawerSide:(MMDrawerSide)drawerSide animated:(BOOL)animated completion:(void (^)(BOOL finished))completion{
     NSParameterAssert(drawerSide != MMDrawerSideNone);
     
     [self openDrawerSide:drawerSide animated:animated velocity:self.animationVelocity animationOptions:UIViewAnimationOptionCurveEaseInOut completion:completion];
 }
 
--(void)openDrawerSide:(MMDrawerSide)drawerSide animated:(BOOL)animated velocity:(CGFloat)velocity animationOptions:(UIViewAnimationOptions)options completion:(void (^)(BOOL))completion{
+-(void)openDrawerSide:(MMDrawerSide)drawerSide animated:(BOOL)animated velocity:(CGFloat)velocity animationOptions:(UIViewAnimationOptions)options completion:(void (^)(BOOL finished))completion{
     NSParameterAssert(drawerSide != MMDrawerSideNone);
     if(self.isAnimatingDrawer){
         if(completion){
@@ -351,7 +351,7 @@ -(void)setCenterViewController:(UIViewController *)centerViewController animated
     }
 }
 
--(void)setCenterViewController:(UIViewController *)newCenterViewController withCloseAnimation:(BOOL)animated completion:(void(^)(BOOL))completion{
+-(void)setCenterViewController:(UIViewController *)newCenterViewController withCloseAnimation:(BOOL)animated completion:(void(^)(BOOL finished))completion{
     [self setCenterViewController:newCenterViewController animated:animated];
     
     if(self.openSide != MMDrawerSideNone){
@@ -377,7 +377,7 @@ -(void)setCenterViewController:(UIViewController *)newCenterViewController withC
     }
 }
 
--(void)setCenterViewController:(UIViewController *)newCenterViewController withFullCloseAnimation:(BOOL)animated completion:(void(^)(BOOL))completion{
+-(void)setCenterViewController:(UIViewController *)newCenterViewController withFullCloseAnimation:(BOOL)animated completion:(void(^)(BOOL finished))completion{
     if(self.openSide != MMDrawerSideNone &&
        animated){