diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2020-04-01/networkWatcher.json b/specification/network/resource-manager/Microsoft.Network/stable/2020-04-01/networkWatcher.json
index c0b4c932011b..67cffe6f8488 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2020-04-01/networkWatcher.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2020-04-01/networkWatcher.json
@@ -4220,7 +4220,7 @@
           "description": "The maximum percentage of failed checks permitted for a test to evaluate as successful."
         },
         "roundTripTimeMs": {
-          "type": "integer",
+          "type": "number",
           "description": "The maximum round-trip time in milliseconds permitted for a test to evaluate as successful."
         }
       },