diff --git a/iOS-WebP/UIImage+WebP.m b/iOS-WebP/UIImage+WebP.m
index 2b6165f..61a26b8 100644
--- a/iOS-WebP/UIImage+WebP.m
+++ b/iOS-WebP/UIImage+WebP.m
@@ -159,7 +159,7 @@ + (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, (config->options.scaled_width || width) * (config->options.scaled_height || height) * 4, free_image_data);
     
     CGColorSpaceRef colorSpaceRef = CGColorSpaceCreateDeviceRGB();
     CGBitmapInfo bitmapInfo = kCGBitmapByteOrderDefault |kCGImageAlphaLast;