diff --git a/iOS-WebP.podspec b/iOS-WebP.podspec
index 75e909b..ff5527b 100644
--- a/iOS-WebP.podspec
+++ b/iOS-WebP.podspec
@@ -9,5 +9,5 @@ Pod::Spec.new do |s|
   s.source       		= { :git => 'https://github.com/seanooi/iOS-WebP.git', :tag => '0.5' }
   s.source_files		= 'iOS-WebP/*.{h,m}'
   s.requires_arc		= true
-  s.dependency      'libwebp', '~> 0.5.0'
+  s.dependency      'libwebp', '>= 0.5.0'
 end
diff --git a/iOS-WebP/UIImage+WebP.m b/iOS-WebP/UIImage+WebP.m
index b49fa5d..57bd7a2 100644
--- a/iOS-WebP/UIImage+WebP.m
+++ b/iOS-WebP/UIImage+WebP.m
@@ -156,7 +156,7 @@ + (UIImage *)imageWithWebPData:(NSData *)imgData error:(NSError **)error
     
     // Construct UIImage from the decoded RGBA value array
     uint8_t *data = WebPDecodeRGBA([imgData bytes], [imgData length], &width, &height);
-    CGDataProviderRef provider = CGDataProviderCreateWithData(config, data, config->options.scaled_width  * config->options.scaled_height * 4, free_image_data);
+    CGDataProviderRef provider = CGDataProviderCreateWithData(config, data, width  * height * 4, free_image_data);
     
     CGColorSpaceRef colorSpaceRef = CGColorSpaceCreateDeviceRGB();
     CGBitmapInfo bitmapInfo = kCGBitmapByteOrderDefault |kCGImageAlphaLast;