diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index de62264a16c..bff8d9b3143 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -283,7 +283,7 @@ st_draw_vbo(struct gl_context *ctx,
          /* don't trim, restarts might be inside index list */
          cso_draw_vbo(st->cso_context, &info);
       }
-      else if (u_trim_pipe_prim(info.mode, &info.count))
+      else if (u_trim_pipe_prim(prims[i].mode, &info.count))
          cso_draw_vbo(st->cso_context, &info);
    }