diff --git a/tests/data/test518 b/tests/data/test518
index 8cbdfed331..05a809bf32 100644
--- a/tests/data/test518
+++ b/tests/data/test518
@@ -60,5 +60,8 @@ Host: %HOSTIP:%HTTPPORT
 Accept: */*
 
 </protocol>
+<valgrind>
+disable
+</valgrind>
 </verify>
 </testcase>