From 0d2cd1922da21b13b9a85b2817717b498a95cc4d Mon Sep 17 00:00:00 2001
From: Vladyslav_Prykhodko <vprykhodko@thingsboard.io>
Date: Thu, 31 Jul 2025 17:58:01 +0300
Subject: [PATCH] UI: Fix alias relations query bug preventing 'Not' filter
 from being edited after creation

---
 .../home/components/relation/relation-filters.component.ts      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ui-ngx/src/app/modules/home/components/relation/relation-filters.component.ts b/ui-ngx/src/app/modules/home/components/relation/relation-filters.component.ts
index 92cd675ee8..e2d19b9e6c 100644
--- a/ui-ngx/src/app/modules/home/components/relation/relation-filters.component.ts
+++ b/ui-ngx/src/app/modules/home/components/relation/relation-filters.component.ts
@@ -128,7 +128,7 @@ export class RelationFiltersComponent extends PageComponent implements ControlVa
       entityTypes: [filter ? filter.entityTypes : []]
     });
     if (this.enableNotOption) {
-      formGroup.addControl('negate', this.fb.control({value: filter ? filter.negate : false, disabled: true}));
+      formGroup.addControl('negate', this.fb.control({value: filter?.negate ?? false, disabled: !filter?.relationType}));
       formGroup.get('relationType').valueChanges.pipe(
         takeUntil(this.destroy$)
       ).subscribe(value => {