diff --git a/src/core/libraries/libpng/pngdec.cpp b/src/core/libraries/libpng/pngdec.cpp
index 33a0b9af9..c430cb285 100644
--- a/src/core/libraries/libpng/pngdec.cpp
+++ b/src/core/libraries/libpng/pngdec.cpp
@@ -150,7 +150,7 @@ s32 PS4_SYSV_ABI scePngDecDecode(OrbisPngDecHandle handle, const OrbisPngDecDeco
         png_set_bgr(pngh->png_ptr);
     if (color_type == PNG_COLOR_TYPE_RGB || color_type == PNG_COLOR_TYPE_GRAY ||
         color_type == PNG_COLOR_TYPE_PALETTE)
-        png_set_add_alpha(pngh->png_ptr, 0xFF, PNG_FILLER_AFTER);
+        png_set_add_alpha(pngh->png_ptr, param->alphaValue, PNG_FILLER_AFTER);
 
     png_read_update_info(pngh->png_ptr, pngh->info_ptr);