diff --git a/test/regress/cli/regress0/bv2nat_lemma_ranges_1.smt2 b/test/regress/cli/regress0/bv2nat_lemma_ranges_1.smt2
index 1295ef44fba..e422951b90f 100644
--- a/test/regress/cli/regress0/bv2nat_lemma_ranges_1.smt2
+++ b/test/regress/cli/regress0/bv2nat_lemma_ranges_1.smt2
@@ -2,5 +2,7 @@
 ; EXPECT: unsat
 (set-logic ALL)
 (declare-fun x () (_ BitVec 4000))
-(assert (< (bv2nat x) 0))
+(declare-fun y () (_ BitVec 4000))
+(assert (< (bv2nat x) (bv2nat y) ))
+(assert (= (+ (bv2nat x) (bv2nat y)) 0))
 (check-sat)