diff --git a/cypress/integration/clients_test.spec.ts b/cypress/integration/clients_test.spec.ts
index 3b3169717b..0844406fe4 100644
--- a/cypress/integration/clients_test.spec.ts
+++ b/cypress/integration/clients_test.spec.ts
@@ -188,6 +188,16 @@ describe("Clients test", function () {
         .goToServiceAccountTab()
         .checkRoles(["manage-account", "offline_access", "uma_authorization"]);
     });
+
+    it("assign", () => {
+      listingPage.goToItemDetails(serviceAccountName);
+      serviceAccountTab
+        .goToServiceAccountTab()
+        .clickAssignRole(false)
+        .selectRow("create-realm")
+        .clickAssign();
+      masthead.checkNotificationMessage("Role mapping updated");
+    });
   });
 
   describe("Keys tab test", () => {
diff --git a/cypress/support/pages/admin_console/manage/RoleMappingTab.ts b/cypress/support/pages/admin_console/manage/RoleMappingTab.ts
index 30bf1f2b74..4c01c2916b 100644
--- a/cypress/support/pages/admin_console/manage/RoleMappingTab.ts
+++ b/cypress/support/pages/admin_console/manage/RoleMappingTab.ts
@@ -2,7 +2,8 @@ const expect = chai.expect;
 export default class RoleMappingTab {
   private tab = "#pf-tab-serviceAccount-serviceAccount";
   private scopeTab = "scopeTab";
-  private assignRole = "no-roles-for-this-client-empty-action";
+  private assignEmptyRole = "no-roles-for-this-client-empty-action";
+  private assignRole = "assignRole";
   private unAssign = "unAssignRole";
   private assign = "assign";
   private hide = "#hideInheritedRoles";
@@ -19,8 +20,8 @@ export default class RoleMappingTab {
     return this;
   }
 
-  clickAssignRole() {
-    cy.getId(this.assignRole).click();
+  clickAssignRole(notEmpty = true) {
+    cy.getId(notEmpty ? this.assignEmptyRole : this.assignRole).click();
     return this;
   }