diff --git a/src/portal/src/app/base/left-side-nav/project-quotas/project-quotas/project-quotas.component.html b/src/portal/src/app/base/left-side-nav/project-quotas/project-quotas/project-quotas.component.html
index c37510b7c06..01dcc852547 100644
--- a/src/portal/src/app/base/left-side-nav/project-quotas/project-quotas/project-quotas.component.html
+++ b/src/portal/src/app/base/left-side-nav/project-quotas/project-quotas/project-quotas.component.html
@@ -25,6 +25,7 @@
                         <button
                             id="open-edit"
                             class="btn btn-link btn-sm default-quota-edit-button"
+                            [disabled]="!allConfig.storage_per_project.editable"
                             (click)="editDefaultQuota(quotaHardLimitValue)">
                             {{ 'QUOTA.EDIT' | translate }}
                         </button>
diff --git a/src/portal/src/app/base/left-side-nav/project-quotas/project-quotas/project-quotas.component.spec.ts b/src/portal/src/app/base/left-side-nav/project-quotas/project-quotas/project-quotas.component.spec.ts
index dfc93b80b7c..a201921413e 100644
--- a/src/portal/src/app/base/left-side-nav/project-quotas/project-quotas/project-quotas.component.spec.ts
+++ b/src/portal/src/app/base/left-side-nav/project-quotas/project-quotas/project-quotas.component.spec.ts
@@ -111,6 +111,7 @@ describe('ProjectQuotasComponent', () => {
         await fixture.whenStable();
         const openEditButton: HTMLButtonElement =
             fixture.nativeElement.querySelector('#open-edit');
+        expect(openEditButton.disabled).toBeFalse();
         openEditButton.dispatchEvent(new Event('click'));
         fixture.detectChanges();
         await fixture.whenStable();
@@ -118,6 +119,14 @@ describe('ProjectQuotasComponent', () => {
             fixture.nativeElement.querySelector('clr-modal');
         expect(modal).toBeTruthy();
     });
+    it('edit quota should be disabled when storage per project not editable', async () => {
+        component.config.storage_per_project.editable = false;
+        fixture.detectChanges();
+        await fixture.whenStable();
+        const openEditButton: HTMLButtonElement =
+            fixture.nativeElement.querySelector('#open-edit');
+        expect(openEditButton.disabled).toBeTrue();
+    });
     it('should call navigate function', async () => {
         // wait getting list and rendering
         await timeout(10);