diff --git a/entity/InterestLink_entity/entityfields/interest_id/onValidation.js b/entity/InterestLink_entity/entityfields/interest_id/onValidation.js
index 834f73d13356a293cfafae324137a69c5f013b5a..8688ac8a3ba5a00ecda291098512ba68049328f0 100644
--- a/entity/InterestLink_entity/entityfields/interest_id/onValidation.js
+++ b/entity/InterestLink_entity/entityfields/interest_id/onValidation.js
@@ -6,12 +6,12 @@ import("Sql_lib");
 
 if (vars.get("$sys.operatingstate") == neon.OPERATINGSTATE_NEW && vars.get("$local.value") && vars.get("$field.CONTACT_ID"))
 {
-    var isParticipant= newSelect(["INTEREST_ID"])
+    var interest = newSelect(["INTEREST_ID"])
                         .from("INTERESTLINK")
                         .where("INTERESTLINK.INTEREST_ID", vars.get("$field.INTEREST_ID"))
                         .and("INTERESTLINK.CONTACT_ID",vars.get("$field.CONTACT_ID"))
                         .cell();
-    if (isParticipant){
+    if (interest){
         result.string(translate.text("Interest already assign to contact"));
     }
 }
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