diff --git a/modules/ui/src/app/components/general-settings/general-settings.component.html b/modules/ui/src/app/components/general-settings/general-settings.component.html
index c698e167f..3f951dcc9 100644
--- a/modules/ui/src/app/components/general-settings/general-settings.component.html
+++ b/modules/ui/src/app/components/general-settings/general-settings.component.html
@@ -149,7 +149,7 @@ <h2 class="settings-drawer-header-title">Connection settings</h2>
         class="save-button"
         color="primary"
         (click)="saveSetting()"
-        [disabled]="!isFormValues || isLessThanTwoInterfaces">
+        [disabled]="!isFormValues || isLessThanOneInterface">
         Save
       </button>
     </div>
diff --git a/modules/ui/src/app/components/general-settings/general-settings.component.spec.ts b/modules/ui/src/app/components/general-settings/general-settings.component.spec.ts
index e9b82ddca..08f9309e5 100644
--- a/modules/ui/src/app/components/general-settings/general-settings.component.spec.ts
+++ b/modules/ui/src/app/components/general-settings/general-settings.component.spec.ts
@@ -249,13 +249,9 @@ describe('GeneralSettingsComponent', () => {
     });
   });
 
-  describe('with intefaces lenght less then two', () => {
+  describe('with interfaces length less than one', () => {
     beforeEach(() => {
-      component.interfaces = { mockDeviceValue: 'mockDeviceValue' };
-      testRunServiceMock.systemConfig$ = of(MOCK_SYSTEM_CONFIG_WITH_DATA);
-      testRunServiceMock.getSystemConfig.and.returnValue(
-        of(MOCK_SYSTEM_CONFIG_WITH_DATA)
-      );
+      component.interfaces = {};
       fixture.detectChanges();
     });
 
diff --git a/modules/ui/src/app/components/general-settings/general-settings.component.ts b/modules/ui/src/app/components/general-settings/general-settings.component.ts
index 5f34ff98c..d9bbecea1 100644
--- a/modules/ui/src/app/components/general-settings/general-settings.component.ts
+++ b/modules/ui/src/app/components/general-settings/general-settings.component.ts
@@ -79,8 +79,8 @@ export class GeneralSettingsComponent implements OnInit, OnDestroy {
     return this.settingForm.hasError('hasSameValues');
   }
 
-  get isLessThanTwoInterfaces(): boolean {
-    return Object.keys(this.interfaces).length < 2;
+  get isLessThanOneInterface(): boolean {
+    return Object.keys(this.interfaces).length < 1;
   }
 
   constructor(