diff --git a/src/puf_bit.v b/src/puf_bit.v
index d53a826..c60b2a3 100644
--- a/src/puf_bit.v
+++ b/src/puf_bit.v
@@ -16,7 +16,7 @@ module puf_bit(
 
     always @ (posedge clk) begin
         if (en) begin
-            inter_en <= n_ro'b1;
+            inter_en <= n_ro'b11111111_11111111_11111111_11111111;
         end
     end