diff --git a/src/gallium/drivers/zink/zink_screen.c b/src/gallium/drivers/zink/zink_screen.c
index 6370501c7dc..80b174685b9 100644
--- a/src/gallium/drivers/zink/zink_screen.c
+++ b/src/gallium/drivers/zink/zink_screen.c
@@ -1040,6 +1040,9 @@ emulate_x8(enum pipe_format format)
    case PIPE_FORMAT_B8G8R8X8_SRGB:
       return PIPE_FORMAT_B8G8R8A8_SRGB;
 
+   case PIPE_FORMAT_R8G8B8X8_UNORM:
+      return PIPE_FORMAT_R8G8B8A8_UNORM;
+
    default:
       return format;
    }