diff --git a/deploy/install.sh b/deploy/install.sh
index c2ded75..d4e31f9 100755
--- a/deploy/install.sh
+++ b/deploy/install.sh
@@ -138,7 +138,7 @@ Type=simple
 User=root
 WorkingDirectory=${INSTALL_DIR}
 EnvironmentFile=-${CONF_DIR}/agent.env
-ExecStart=${INSTALL_DIR}/vps-commander-agent -hub \${VPS_COMMANDER_HUB_WS_URL} -name \${VPS_COMMANDER_AGENT_NAME}
+ExecStart=/bin/sh -c 'exec ${INSTALL_DIR}/vps-commander-agent -hub "$VPS_COMMANDER_HUB_WS_URL" -name "$VPS_COMMANDER_AGENT_NAME"'
 Restart=always
 RestartSec=3s
 KillSignal=SIGTERM