diff --git a/src/gallium/drivers/zink/zink_screen.c b/src/gallium/drivers/zink/zink_screen.c
index 66155e2901a..b3694cf22b7 100644
--- a/src/gallium/drivers/zink/zink_screen.c
+++ b/src/gallium/drivers/zink/zink_screen.c
@@ -1165,6 +1165,10 @@ emulate_x8(enum pipe_format format)
    case PIPE_FORMAT_B8G8R8X8_SRGB:
       return PIPE_FORMAT_B8G8R8A8_SRGB;
 
+   case PIPE_FORMAT_R8G8B8X8_SINT:
+      return PIPE_FORMAT_R8G8B8A8_SINT;
+   case PIPE_FORMAT_R8G8B8X8_SNORM:
+      return PIPE_FORMAT_R8G8B8A8_SNORM;
    case PIPE_FORMAT_R8G8B8X8_UNORM:
       return PIPE_FORMAT_R8G8B8A8_UNORM;