diff --git a/ui/qemu-pixman.c b/ui/qemu-pixman.c
index 30c7fdd011ca43d3e929224c7b0fc16ef2c67749..1f6fea535bd7665e293856118c84fb38e28002e5 100644
--- a/ui/qemu-pixman.c
+++ b/ui/qemu-pixman.c
@@ -80,7 +80,7 @@ pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian)
         case 24:
             return PIXMAN_b8g8r8;
         case 32:
-            return PIXMAN_b8g8r8a8;
+            return PIXMAN_b8g8r8x8;
         break;
         }
     }