diff --git a/UnitTests/Makefile.unittests b/UnitTests/Makefile.unittests
index 86efb7687a..73989d80be 100755
--- a/UnitTests/Makefile.unittests
+++ b/UnitTests/Makefile.unittests
@@ -397,7 +397,7 @@ unittests-shell-client:
 	@echo
 
 	$(VALGRIND) @builddir@/bin/arangosh $(CLIENT_OPT) --server.username "$(USERNAME)" --server.password "$(PASSWORD)" --server.endpoint unix://$(VOCDIR)/arango.sock $(UNITTESTS_CLIENT) || test "x$(FORCE)" == "x1"
-
+	sleep 2
 	kill `cat $(PIDFILE)`
 
 	while test -f $(PIDFILE); do sleep 1; done