diff --git a/ui-ngx/src/app/modules/home/components/widget/lib/gateway/dialog/add-connector-dialog.component.html b/ui-ngx/src/app/modules/home/components/widget/lib/gateway/dialog/add-connector-dialog.component.html
index ec1fa9a87f..2d2193667b 100644
--- a/ui-ngx/src/app/modules/home/components/widget/lib/gateway/dialog/add-connector-dialog.component.html
+++ b/ui-ngx/src/app/modules/home/components/widget/lib/gateway/dialog/add-connector-dialog.component.html
@@ -68,7 +68,8 @@
           </mat-form-field>
         </div>
       </div>
-      <div class="tb-form-row column-xs" fxLayoutAlign="space-between center">
+      <div *ngIf="connectorForm.get('type').value !== connectorType.GRPC && connectorForm.get('type').value !== connectorType.CUSTOM"
+           class="tb-form-row column-xs" fxLayoutAlign="space-between center">
         <mat-slide-toggle class="mat-slide fixed-title-width" formControlName="useDefaults">
           <mat-label tb-hint-tooltip-icon="{{ 'gateway.fill-connector-defaults-hint' | translate }}">
             {{ 'gateway.fill-connector-defaults' | translate }}
diff --git a/ui-ngx/src/app/modules/home/components/widget/lib/gateway/dialog/add-connector-dialog.component.ts b/ui-ngx/src/app/modules/home/components/widget/lib/gateway/dialog/add-connector-dialog.component.ts
index 98261a8e57..34250afc60 100644
--- a/ui-ngx/src/app/modules/home/components/widget/lib/gateway/dialog/add-connector-dialog.component.ts
+++ b/ui-ngx/src/app/modules/home/components/widget/lib/gateway/dialog/add-connector-dialog.component.ts
@@ -14,7 +14,7 @@
 /// limitations under the License.
 ///
 
-import { Component, Inject, OnDestroy } from '@angular/core';
+import { Component, Inject, OnDestroy, OnInit } from '@angular/core';
 import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { Store } from '@ngrx/store';
 import { AppState } from '@core/core.state';
@@ -33,6 +33,7 @@ import {
 } from '@home/components/widget/lib/gateway/gateway-widget.models';
 import { Subject } from 'rxjs';
 import { ResourcesService } from '@core/services/resources.service';
+import { takeUntil, tap } from "rxjs/operators";
 
 @Component({
   selector: 'tb-add-connector-dialog',
@@ -40,7 +41,7 @@ import { ResourcesService } from '@core/services/resources.service';
   styleUrls: ['./add-connector-dialog.component.scss'],
   providers: [],
 })
-export class AddConnectorDialogComponent extends DialogComponent<AddConnectorDialogComponent, BaseData<HasId>> implements OnDestroy {
+export class AddConnectorDialogComponent extends DialogComponent<AddConnectorDialogComponent, BaseData<HasId>> implements OnInit, OnDestroy {
 
   connectorForm: UntypedFormGroup;
 
@@ -69,6 +70,10 @@ export class AddConnectorDialogComponent extends DialogComponent<AddConnectorDia
     });
   }
 
+  ngOnInit(): void {
+    this.observeTypeChange();
+  }
+
   ngOnDestroy(): void {
     this.destroy$.next();
     this.destroy$.complete();
@@ -118,4 +123,18 @@ export class AddConnectorDialogComponent extends DialogComponent<AddConnectorDia
       return null;
     };
   }
+
+  private observeTypeChange(): void {
+    this.connectorForm.get('type').valueChanges.pipe(
+      tap((type: ConnectorType) => {
+        const useDefaultControl = this.connectorForm.get('useDefaults');
+        if (type === ConnectorType.GRPC || type === ConnectorType.CUSTOM) {
+          useDefaultControl.setValue(false);
+        } else if (!useDefaultControl.value) {
+          useDefaultControl.setValue(true);
+        }
+      }),
+      takeUntil(this.destroy$),
+    ).subscribe()
+  }
 }