diff --git a/test_regress/t/t_udp_sequential.v b/test_regress/t/t_udp_sequential.v
index f8758e8e0..a3cfa33ac 100644
--- a/test_regress/t/t_udp_sequential.v
+++ b/test_regress/t/t_udp_sequential.v
@@ -48,7 +48,7 @@ module t (/*AUTOARG*/
         if (q != 1) $stop;
      end
      else if (cycle==5) begin
-        $display("d = %d clk = %d cycle = %d", d, clk, cycle);
+        $display("d=%d clk=%d cycle=%0d", d, clk, cycle);
         if (q != 1) $stop;
      end
      else if (cycle==6) begin