diff --git a/SCLAlertView-Objective-C.podspec b/SCLAlertView-Objective-C.podspec
index 2443411..cc685a1 100644
--- a/SCLAlertView-Objective-C.podspec
+++ b/SCLAlertView-Objective-C.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |spec|
   spec.name         = "SCLAlertView-Objective-C"
-  spec.version      = "0.3.0"
+  spec.version      = "0.3.1"
   spec.summary      = "Beautiful animated Alert View. Written in Swift but ported to Objective-C"
   spec.homepage     = "https://github.com/dogo/SCLAlertView"
   spec.screenshots  = "https://raw.githubusercontent.com/dogo/SCLAlertView/master/ScreenShots/ScreenShot.png", "https://raw.githubusercontent.com/dogo/SCLAlertView/master/ScreenShots/ScreenShot2.png"
@@ -10,7 +10,7 @@ Pod::Spec.new do |spec|
   spec.social_media_url   = "http://twitter.com/di_autilio"
   spec.platform           = :ios
   spec.ios.deployment_target = '7.0'
-  spec.source             = { :git => "https://github.com/dogo/SCLAlertView.git", :tag => "0.3.0" }
+  spec.source             = { :git => "https://github.com/dogo/SCLAlertView.git", :tag => "0.3.1" }
   spec.source_files       = "SCLAlertView/*"
   spec.requires_arc       = true
 end
diff --git a/SCLAlertView/UIImage+ImageEffects.m b/SCLAlertView/UIImage+ImageEffects.m
index 11bf580..8b3d696 100755
--- a/SCLAlertView/UIImage+ImageEffects.m
+++ b/SCLAlertView/UIImage+ImageEffects.m
@@ -127,7 +127,7 @@ - (UIImage *)applyTintEffectWithColor:(UIColor *)tintColor
 {
     const CGFloat EffectColorAlpha = 0.6;
     UIColor *effectColor = tintColor;
-    int componentCount = CGColorGetNumberOfComponents(tintColor.CGColor);
+    NSUInteger componentCount = CGColorGetNumberOfComponents(tintColor.CGColor);
     if (componentCount == 2) {
         CGFloat b;
         if ([tintColor getWhite:&b alpha:NULL]) {
@@ -200,7 +200,7 @@ - (UIImage *)applyBlurWithRadius:(CGFloat)blurRadius tintColor:(UIColor *)tintCo
             // ... if d is odd, use three box-blurs of size 'd', centered on the output pixel.
             // 
             CGFloat inputRadius = blurRadius * [[UIScreen mainScreen] scale];
-            NSUInteger radius = floor(inputRadius * 3. * sqrt(2 * M_PI) / 4 + 0.5);
+            uint32_t radius = floor(inputRadius * 3. * sqrt(2 * M_PI) / 4 + 0.5);
             if (radius % 2 != 1) {
                 radius += 1; // force radius to be odd so that the three box-blur methodology works.
             }