diff --git a/tests/kdc/check-delegation.in b/tests/kdc/check-delegation.in
index 62c7c2e13..789768f98 100644
--- a/tests/kdc/check-delegation.in
+++ b/tests/kdc/check-delegation.in
@@ -149,7 +149,7 @@ ${kdestroy}
 
 
 echo "killing kdc (${kdcpid})"
-kill $kdcpid || exit 1
+sh ${srcdir}/leaks-kill.sh kdc $kdcpid || exit 1
 
 trap "" EXIT