diff --git a/Classes/UIImage+ImageEffects.m b/Classes/UIImage+ImageEffects.m
index ae03d5f..c093364 100644
--- a/Classes/UIImage+ImageEffects.m
+++ b/Classes/UIImage+ImageEffects.m
@@ -127,7 +127,7 @@ - (UIImage *)applyTintEffectWithColor:(UIColor *)tintColor
 {
     const CGFloat EffectColorAlpha = 0.6;
     UIColor *effectColor = tintColor;
-    int componentCount = CGColorGetNumberOfComponents(tintColor.CGColor);
+    NSInteger 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);
+            int 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.
             }