diff --git a/test/simple-memory-corruption/eight_byte_overflow_large.c b/test/simple-memory-corruption/eight_byte_overflow_large.c
index f7253d6..afb25b8 100644
--- a/test/simple-memory-corruption/eight_byte_overflow_large.c
+++ b/test/simple-memory-corruption/eight_byte_overflow_large.c
@@ -2,11 +2,11 @@
 
 __attribute__((optimize(0)))
 int main(void) {
-    char *p = malloc(128 * 1024);
+    char *p = malloc(256 * 1024);
     if (!p) {
         return 1;
     }
-    *(p + 128 * 1024 + 7) = 0;
+    *(p + 256 * 1024 + 7) = 0;
     free(p);
     return 0;
 }
diff --git a/test/simple-memory-corruption/test_smc.py b/test/simple-memory-corruption/test_smc.py
index 84e9c3e..a1f3adc 100644
--- a/test/simple-memory-corruption/test_smc.py
+++ b/test/simple-memory-corruption/test_smc.py
@@ -51,7 +51,7 @@ class TestSimpleMemoryCorruption(unittest.TestCase):
     def test_eight_byte_overflow_large(self):
         _stdout, _stderr, returncode = self.run_test(
             "eight_byte_overflow_large")
-        self.assertEqual(returncode, 0)
+        self.assertEqual(returncode, -11)
 
     def test_eight_byte_overflow_small(self):
         _stdout, stderr, returncode = self.run_test(