diff --git a/core/classes/tuple/tuple-tests.factor b/core/classes/tuple/tuple-tests.factor
index cc67109936..f42ed92611 100644
--- a/core/classes/tuple/tuple-tests.factor
+++ b/core/classes/tuple/tuple-tests.factor
@@ -542,7 +542,7 @@ must-fail-with
 
 [ 444444444444444444444444444444444444444444444444433333 >bignum "asdf" declared-types boa ]
 [
-    T{ out-of-fixnum-range f 444444444444444444444444444444444444444444444444433333 }
+    T{ out-of-fixnum-range f 444444444444444444444444444444444444444444444444433333 } =
 ] must-fail-with
 
 ! Check bignum coercer