diff --git a/test_install/overflow_test_1.b b/test_install/overflow_test_1.b
index a7c0fe64..d346c60b 100644
--- a/test_install/overflow_test_1.b
+++ b/test_install/overflow_test_1.b
@@ -13,4 +13,4 @@
 00000000
 00000000
 00000010
-1111111
+11111111