diff --git a/zvmsdk/sdkwsgi/validation/parameter_types.py b/zvmsdk/sdkwsgi/validation/parameter_types.py
index 53927924f..e20646c76 100644
--- a/zvmsdk/sdkwsgi/validation/parameter_types.py
+++ b/zvmsdk/sdkwsgi/validation/parameter_types.py
@@ -252,8 +252,8 @@ def valid_char(char):
 
 remotehost = {
     'type': ['string'],
-    'pattern': '^[a-zA-Z0-9\-]+\@([0-9]{1,3}(.[0-9]{1,3}){3}$|'
-    '[a-zA-Z0-9\-]+(.[a-zA-Z0-9\-]){1,}$)'
+    'pattern': '^[a-zA-Z0-9\-]+\@([0-9]{1,3}(\.[0-9]{1,3}){3}$|'
+    '[a-zA-Z0-9\-]+(\.[a-zA-Z0-9\-]+){1,}$)'
 }