diff --git a/.gitignore b/.gitignore
index 843fb3c..4a8ace2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,6 +36,7 @@
 /tests/test_null
 /tests/test_printbuf
 /tests/test_set_serializer
+/tests/*.vg.out
 /Debug
 /Release
 *.lo