diff --git a/tests/feature_check/int_big.py b/tests/feature_check/int_big.py
index 8b82814aee..f30285a98f 100644
--- a/tests/feature_check/int_big.py
+++ b/tests/feature_check/int_big.py
@@ -1,2 +1,2 @@
 # Check whether arbitrary-precision integers (MPZ) are supported
-1000000000000000000000000000000000000000000000
+print(1000000000000000000000000000000000000000000000)
diff --git a/tests/feature_check/int_big.py.exp b/tests/feature_check/int_big.py.exp
index e69de29bb2..9dfe3354d5 100644
--- a/tests/feature_check/int_big.py.exp
+++ b/tests/feature_check/int_big.py.exp
@@ -0,0 +1 @@
+1000000000000000000000000000000000000000000000
diff --git a/tests/run-tests b/tests/run-tests
index bacaebea81..6a78c27649 100755
--- a/tests/run-tests
+++ b/tests/run-tests
@@ -209,7 +209,7 @@ def run_tests(pyb, tests, args):
 
     # Check if arbitrary-precision integers are supported, and skip such tests if it's not
     native = run_micropython(pyb, args, 'feature_check/int_big.py')
-    if native == b'CRASH':
+    if native != b'1000000000000000000000000000000000000000000000\n':
         skip_int_big = True
 
     # Check if set type (and set literals) is supported, and skip such tests if it's not