diff --git a/osm_nbi/validation.py b/osm_nbi/validation.py
index e22d05d6a8e8cbb11ecbcaf2e65bf4ef8dceb4d0..e27cfb09b71b6db0b5fa6e12970c6c42906070fe 100644
--- a/osm_nbi/validation.py
+++ b/osm_nbi/validation.py
@@ -141,6 +141,16 @@ description_list_schema = {
     "items": description_schema,
 }
 
+profile_type_schema = {
+    "type": "string",
+    "enum": [
+        "infra_controller_profiles",
+        "infra_config_profiles",
+        "app_profiles",
+        "resource_profiles",
+    ],
+}
+
 ns_instantiate_vdu = {
     "title": "ns action instantiate input schema for vdu",
     "$schema": "http://json-schema.org/draft-04/schema#",
@@ -1713,6 +1723,7 @@ oka_schema = {
     "properties": {
         "name": name_schema,
         "description": description_schema,
+        "profile_type": profile_type_schema,
     },
     "additionalProperties": False,
 }
@@ -1727,7 +1738,7 @@ ksu_schema = {
         "profile": {
             "type": "object",
             "properties": {
-                "profile_type": string_schema,
+                "profile_type": profile_type_schema,
                 "_id": id_schema,
             },
             "additionalProperties": False,