diff --git a/tests/scripts/test064-constraint b/tests/scripts/test064-constraint
index 2ac53acb18..f0a68c4d41 100755
--- a/tests/scripts/test064-constraint
+++ b/tests/scripts/test064-constraint
@@ -115,6 +115,7 @@ if test $WAIT != 0 ; then
 	echo PID $PID
 	read foo
 fi
+KILLPIDS="$PID"
 sleep 1
 
 echo "Using ldapsearch to check that slapd is running..."