diff --git a/tests/simple_abc9/abc9.v b/tests/simple_abc9/abc9.v
index 8afd0ce96..ee01ab5dc 100644
--- a/tests/simple_abc9/abc9.v
+++ b/tests/simple_abc9/abc9.v
@@ -213,7 +213,7 @@ module arbiter (clk, rst, request, acknowledge, grant, grant_valid, grant_encode
   input rst;
 endmodule
 
-(* abc_box_id=1 *)
+(* abc9_box_id=1 *)
 module MUXF8(input I0, I1, S, output O);
 endmodule