diff --git a/techlibs/ice40/abc_model.v b/techlibs/ice40/abc_model.v
index 89961b51d..8e1827043 100644
--- a/techlibs/ice40/abc_model.v
+++ b/techlibs/ice40/abc_model.v
@@ -1,4 +1,4 @@
-(* abc9_box_id = 1, lib_whitebox *)
+(* abc_box_id = 1, lib_whitebox *)
 module \$__ICE40_CARRY_WRAPPER (
 	(* abc_carry *)
 	output CO,