diff --git a/schema/remotehosts.json b/schema/remotehosts.json
index 6a4c8bc8..54abf712 100644
--- a/schema/remotehosts.json
+++ b/schema/remotehosts.json
@@ -88,7 +88,7 @@
             "properties": {
                 "controller-ip-address": {
                     "type": "string",
-                    "pattern": "^\d{1,3}\\.\d{1,3}\\.\d{1,3}\\.\d{1,3}$"
+                    "pattern": "^\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}$"
                 },
                 "cpu-partitioning": {
                     "type": "boolean"