diff --git a/Source/Classes/Categories/PINImage+WebP.m b/Source/Classes/Categories/PINImage+WebP.m
index f45f1d83..505afc3d 100644
--- a/Source/Classes/Categories/PINImage+WebP.m
+++ b/Source/Classes/Categories/PINImage+WebP.m
@@ -45,7 +45,7 @@ static enum WEBP_CSP_MODE webp_cs_mode_from_cg_bitmap_info(CGBitmapInfo info, BO
         case kCGImageAlphaPremultipliedLast:
             return keepByteOrder ? MODE_rgbA : MODE_Argb;
         case kCGImageAlphaPremultipliedFirst:
-            return keepByteOrder ? MODE_Argb : MODE_rgbA;
+            return keepByteOrder ? MODE_Argb : MODE_bgrA;
         case kCGImageAlphaOnly:
             *fail = YES;
             return MODE_RGB;