diff --git a/src/com/mirantis/mcp/CCP.groovy b/src/com/mirantis/mcp/CCP.groovy
index 4f59edc..4f48fe1 100644
--- a/src/com/mirantis/mcp/CCP.groovy
+++ b/src/com/mirantis/mcp/CCP.groovy
@@ -66,6 +66,6 @@
     def proxyPid = sh(script: "cat ${confDir}/nginx-${localPort}.pid",
                       returnStdout: true).trim()
     if ( proxyPid ) {
-        sh "kill ${proxyPid}"
+        sh "kill -SIGQUIT ${proxyPid}"
     }
 }