diff --git a/test/test_cases.include b/test/test_cases.include
index 5d686b6..2433892 100644
--- a/test/test_cases.include
+++ b/test/test_cases.include
@@ -164,6 +164,7 @@ TEST_F(FFFTestSuite, reset_call_history_resets_call_history)
 
     ASSERT_EQ(1u, fff.call_history_idx);
     ASSERT_EQ(fff.call_history[0], (void *)voidfunc2);
+    ASSERT_EQ(fff.call_history[1], (void *)0);
 }
 
 TEST_F(FFFTestSuite, call_history_will_not_write_past_array_bounds)