diff --git a/internal/services/cosmos/cosmosdb_mongo_role_definition_resource.go b/internal/services/cosmos/cosmosdb_mongo_role_definition_resource.go
index 75df8e2d3f3c..e62977abf7cf 100644
--- a/internal/services/cosmos/cosmosdb_mongo_role_definition_resource.go
+++ b/internal/services/cosmos/cosmosdb_mongo_role_definition_resource.go
@@ -151,7 +151,7 @@ func (r CosmosDbMongoRoleDefinitionResource) Create() sdk.ResourceFunc {
 				return metadata.ResourceRequiresImport(r.ResourceType(), id)
 			}
 
-			roleType := mongorbacs.MongoRoleDefinitionTypeOne
+			roleType := mongorbacs.MongoRoleDefinitionTypeCustomRole
 			parameters := mongorbacs.MongoRoleDefinitionCreateUpdateParameters{
 				Properties: &mongorbacs.MongoRoleDefinitionResource{
 					DatabaseName: pointer.To(databaseId.Name),
@@ -206,7 +206,7 @@ func (r CosmosDbMongoRoleDefinitionResource) Update() sdk.ResourceFunc {
 				return err
 			}
 
-			roleType := mongorbacs.MongoRoleDefinitionTypeOne
+			roleType := mongorbacs.MongoRoleDefinitionTypeCustomRole
 			parameters := mongorbacs.MongoRoleDefinitionCreateUpdateParameters{
 				Properties: &mongorbacs.MongoRoleDefinitionResource{
 					DatabaseName: pointer.To(databaseId.Name),