diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.c b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
index 40a047a2555..41281dabc40 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
@@ -486,7 +486,7 @@ ureg_DECL_output_masked(struct ureg_program *ureg,
 
 struct ureg_dst 
 ureg_DECL_output(struct ureg_program *ureg,
-                 unsigned name,
+                 enum tgsi_semantic name,
                  unsigned index)
 {
    return ureg_DECL_output_masked(ureg, name, index, TGSI_WRITEMASK_XYZW,