diff --git a/EHS/CH_mCSD/CH-ITI-90-RetrieveRequest-ValidationProfile.json b/EHS/CH_mCSD/CH-ITI-90-RetrieveRequest-ValidationProfile.json
index 6c1fc8504719512af228c423966b4a3ae050faba..229bf6d7620726ff35bdef074e3fa508df1ae9ee 100644
--- a/EHS/CH_mCSD/CH-ITI-90-RetrieveRequest-ValidationProfile.json
+++ b/EHS/CH_mCSD/CH-ITI-90-RetrieveRequest-ValidationProfile.json
@@ -43,7 +43,7 @@
           "checks": [
             {
               "type": "REGEX",
-              "regex": "^(\\S)*\\/(Organization|Practitioner|PractitionerRole)\\/(\\S)+$"
+              "regex": "^\\S*\\/(Organization|Practitioner|PractitionerRole)\\/\\S+$"
             }
           ]
         },