diff --git a/src/mesa/state_tracker/st_atom_blend.c b/src/mesa/state_tracker/st_atom_blend.c
index a3ad037125b..0d429dac460 100644
--- a/src/mesa/state_tracker/st_atom_blend.c
+++ b/src/mesa/state_tracker/st_atom_blend.c
@@ -223,7 +223,7 @@ st_update_blend( struct st_context *st )
              !blend->rt[i].colormask)
             continue;
 
-	 if (ctx->Extensions.ARB_draw_buffers_blend)
+         if (ctx->Extensions.ARB_draw_buffers_blend)
             j = i;
 
          blend->rt[i].blend_enable = 1;