diff --git a/src/mesa/state_tracker/st_mesa_to_tgsi.c b/src/mesa/state_tracker/st_mesa_to_tgsi.c
index bf80274c444..1611d53e2fe 100644
--- a/src/mesa/state_tracker/st_mesa_to_tgsi.c
+++ b/src/mesa/state_tracker/st_mesa_to_tgsi.c
@@ -408,7 +408,7 @@ static void emit_ddy( struct st_translate *t,
 {
    struct ureg_program *ureg = t->ureg;
    struct ureg_src src = translate_src( t, SrcReg );
-   if(1)   src = ureg_negate( src );
+   src = ureg_negate( src );
    ureg_DDY( ureg, dst, src );
 }