diff --git a/src/boot/test-bcd.c b/src/boot/test-bcd.c
index d6e307b6ec..6d9603dd78 100644
--- a/src/boot/test-bcd.c
+++ b/src/boot/test-bcd.c
@@ -96,6 +96,7 @@ TEST(offset_bounds) {
         assert_se(!BAD_ARRAY(Key, key_name, 0, 0, sizeof(Key)));
 
         assert_se(bad_offset(0, sizeof(Key) + 1, sizeof(Key)));
+        assert_se(bad_offset(sizeof(Key) + 1, 0, sizeof(Key)));
         assert_se(bad_offset(UINT32_MAX, 2, UINT32_MAX));
 }