diff --git a/v1/resources/instance_operation_cfs_param_ls.cfc b/v1/resources/instance_operation_cfs_param_ls.cfc
index 2bf44d7..2292ad3 100644
--- a/v1/resources/instance_operation_cfs_param_ls.cfc
+++ b/v1/resources/instance_operation_cfs_param_ls.cfc
@@ -169,7 +169,7 @@
 				from instance_operation io 		
 				where io.instance_operation_uid=<cfqueryparam cfsqltype="cf_sql_other" value="#arguments.instanceOperationUid#" null=#!isValid('guid',arguments.instanceOperationUid)#/>
 			</cfquery>	
-			<cfif left(local.qCheck.submit_result,1) EQ "2" AND len(local.qCheck.dt_finish EQ 0)><!--- 201 etc --->
+			<cfif left(local.qCheck.submit_result,1) EQ "2" AND len(local.qCheck.dt_finish) EQ 0><!--- 201 etc --->
 				<cfreturn representationOf(this.helper.formatMessage("Operation already started", "Parameter creation disabled for started operation")).withStatus(422)/>
 			</cfif>