diff --git a/tests/various/abc9.ys b/tests/various/abc9.ys
index a84b637d9..5c9a4075d 100644
--- a/tests/various/abc9.ys
+++ b/tests/various/abc9.ys
@@ -19,6 +19,6 @@ hierarchy -top abc9_test028
 proc
 
 abc9 -lut 4
-select -assert-count 1 t:$lut r:LUT=1 r:WIDTH=1 %i %i
+select -assert-count 1 t:$lut r:LUT=2'b01 r:WIDTH=1 %i %i
 select -assert-count 1 t:unknown
 select -assert-none t:$lut t:unknown %% t: %D