diff --git a/src/gallium/drivers/radeonsi/si_pipe.h b/src/gallium/drivers/radeonsi/si_pipe.h
index 46b095d3b14..55fda4db35c 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.h
+++ b/src/gallium/drivers/radeonsi/si_pipe.h
@@ -128,8 +128,8 @@ struct si_sampler_view {
 	uint32_t			state[8];
 	uint32_t			fmask_state[8];
 	const struct legacy_surf_level	*base_level_info;
-	unsigned			base_level;
-	unsigned			block_width;
+	ubyte				base_level;
+	ubyte				block_width;
 	bool is_stencil_sampler;
 	bool dcc_incompatible;
 };