diff --git a/start-finalSetupServerProperties b/start-finalSetupServerProperties
index 32608c47..d058cf95 100644
--- a/start-finalSetupServerProperties
+++ b/start-finalSetupServerProperties
@@ -13,7 +13,7 @@ function setServerProp {
         var=${var,,} ;;
     esac
     log "Setting ${prop} to '${var}' in ${SERVER_PROPERTIES}"
-    sed -i "/^${prop}\s*=/ c ${prop}=${var}" "$SERVER_PROPERTIES"
+    sed -i "/^${prop}\s*=/ c ${prop}=${var//\\/\\\\}" "$SERVER_PROPERTIES"
   else
     log "Skip setting ${prop}"
   fi