diff --git a/Headers/JCTiledLayer.h b/Headers/JCTiledLayer.h
index 9cef5953..33896f84 100644
--- a/Headers/JCTiledLayer.h
+++ b/Headers/JCTiledLayer.h
@@ -25,4 +25,5 @@
 #import <QuartzCore/QuartzCore.h>
 
 @interface JCTiledLayer : CATiledLayer
+@property (atomic, assign) CGSize tileSize;
 @end
diff --git a/Headers/JCTiledView.h b/Headers/JCTiledView.h
index 4a13eef4..6dbb7b8a 100644
--- a/Headers/JCTiledView.h
+++ b/Headers/JCTiledView.h
@@ -39,7 +39,7 @@ NS_ASSUME_NONNULL_BEGIN
 @interface JCTiledView : UIView
 
 @property (nonatomic, weak, nullable) id<JCTiledViewDelegate> delegate;
-@property (nonatomic, readonly) CGSize tileSize;
+@property (nonatomic, assign) CGSize tileSize;
 @property (nonatomic, assign) size_t numberOfZoomLevels;
 @property (nonatomic, assign) BOOL shouldAnnotateRect;
 
diff --git a/JCTiledScrollView/Source/JCTiledLayer.m b/JCTiledScrollView/Source/JCTiledLayer.m
index 80e3afbb..5be0a205 100644
--- a/JCTiledScrollView/Source/JCTiledLayer.m
+++ b/JCTiledScrollView/Source/JCTiledLayer.m
@@ -27,6 +27,7 @@
 static const CFTimeInterval kDefaultFadeDuration = 0.08;
 
 @implementation JCTiledLayer
+@synthesize tileSize = _tileSize;
 
 + (CFTimeInterval)fadeDuration
 {
diff --git a/JCTiledScrollView/Source/JCTiledView.m b/JCTiledScrollView/Source/JCTiledView.m
index deb0abea..4fa3f055 100644
--- a/JCTiledScrollView/Source/JCTiledView.m
+++ b/JCTiledScrollView/Source/JCTiledView.m
@@ -34,7 +34,7 @@ - (JCTiledLayer *)tiledLayer;
 
 @implementation JCTiledView
 
-@dynamic tileSize;
+@synthesize tileSize = _tileSize;
 @synthesize delegate = _delegate;
 @synthesize shouldAnnotateRect = _shouldAnnotateRect;
 
@@ -49,6 +49,7 @@ - (id)initWithFrame:(CGRect)frame
   {
     self.numberOfZoomLevels = 3;
     self.shouldAnnotateRect = NO;
+    self.tileSize = CGSizeMake(kDefaultTileSize, kDefaultTileSize);
   }
   return self;
 }
@@ -57,12 +58,9 @@ - (id)initWithFrame:(CGRect)frame
 
 - (JCTiledLayer *)tiledLayer
 {
-  return (JCTiledLayer *)self.layer;
-}
-
-- (CGSize)tileSize
-{
-  return CGSizeMake(kDefaultTileSize, kDefaultTileSize);
+  JCTiledLayer * modifiedLayer = (JCTiledLayer *) self.layer;
+  modifiedLayer.tileSize = self.tileSize;
+  return modifiedLayer;
 }
 
 - (size_t)numberOfZoomLevels