diff --git a/tests/data/test518 b/tests/data/test518
index f4d0cd689..8e52615c5 100644
--- a/tests/data/test518
+++ b/tests/data/test518
@@ -53,5 +53,8 @@ Host: %HOSTIP:%HTTPPORT
 Accept: */*
 
 </protocol>
+<valgrind>
+disable
+</valgrind>
 </verify>
 </testcase>