diff --git a/ui-ngx/src/app/modules/home/components/alias/entity-alias-dialog.component.ts b/ui-ngx/src/app/modules/home/components/alias/entity-alias-dialog.component.ts
index 21d90e0c12..ac25981f6e 100644
--- a/ui-ngx/src/app/modules/home/components/alias/entity-alias-dialog.component.ts
+++ b/ui-ngx/src/app/modules/home/components/alias/entity-alias-dialog.component.ts
@@ -145,7 +145,7 @@ export class EntityAliasDialogComponent extends DialogComponent<EntityAliasDialo
     if (!isEmpty(this.alias.filter?.filters)) {
       this.alias.filter.filters = this.alias.filter.filters.filter((value, index, self) =>
         self.findIndex(v => v.relationType === value.relationType && isEqual(v.entityTypes, value.entityTypes)) === index &&
-        (value.relationType || value.entityTypes.length)
+        (value.relationType || value.entityTypes?.length)
       );
     }
     if (this.alias.filter.type) {
diff --git a/ui-ngx/src/app/modules/home/components/relation/relation-filters.component.html b/ui-ngx/src/app/modules/home/components/relation/relation-filters.component.html
index 055b5df22e..6973a6a32d 100644
--- a/ui-ngx/src/app/modules/home/components/relation/relation-filters.component.html
+++ b/ui-ngx/src/app/modules/home/components/relation/relation-filters.component.html
@@ -27,7 +27,7 @@
       <div class="tb-form-table-row align-start"
            *ngFor="let relationFilterControl of relationFiltersFormArray.controls; let $index = index">
         <mat-chip-listbox *ngIf="enableNotOption" class="flex-18 center-stretch" [formControl]="relationFilterControl.get('negate')">
-          <mat-chip-option color="primary" [value]="true">{{ 'relation.not' | translate}}</mat-chip-option>
+          <mat-chip-option color="primary" [value]="true">{{ 'relation.not' | translate }}</mat-chip-option>
         </mat-chip-listbox>
         <tb-relation-type-autocomplete subscriptSizing="dynamic"
                                        class="flex-50" showLabel="false"
diff --git a/ui-ngx/src/app/modules/home/components/relation/relation-filters.component.ts b/ui-ngx/src/app/modules/home/components/relation/relation-filters.component.ts
index 3d438f30ad..66d188248a 100644
--- a/ui-ngx/src/app/modules/home/components/relation/relation-filters.component.ts
+++ b/ui-ngx/src/app/modules/home/components/relation/relation-filters.component.ts
@@ -128,7 +128,16 @@ export class RelationFiltersComponent extends PageComponent implements ControlVa
       entityTypes: [filter ? filter.entityTypes : []]
     });
     if (this.enableNotOption) {
-      formGroup.addControl('negate', this.fb.control(filter ? filter.negate : false));
+      formGroup.addControl('negate', this.fb.control({value: filter ? filter.negate : false, disabled: true}));
+      formGroup.get('relationType').valueChanges.pipe(
+        takeUntil(this.destroy$)
+      ).subscribe(value => {
+        if (value) {
+          formGroup.get('negate').enable({emitEvent: false});
+        } else {
+          formGroup.get('negate').disable({emitEvent: false});
+        }
+      });
     }
     return formGroup;
   }