diff --git a/src/dec/bypass_dec.cc b/src/dec/bypass_dec.cc
index c001a75..df3a970 100644
--- a/src/dec/bypass_dec.cc
+++ b/src/dec/bypass_dec.cc
@@ -150,7 +150,8 @@
                  WP2_STATUS_NOT_ENOUGH_DATA);
 
     const uint32_t y = tile_->num_decoded_rows;
-    if (tile_->rgb_output.format() == WP2_Argb_32) {
+    if (tile_->rgb_output.format() == WP2_Argb_32 ||
+        tile_->rgb_output.format() == WP2_ARGB_32) {
       uint8_t* const row = tile_->rgb_output.GetRow8(y);
       for (uint32_t x = 0; x < tile_->rect.width; ++x) {
         row[x * 4 + 0] = gparams_->has_alpha_