diff --git a/src/hooks/__tests__/useUIInstance.spec.ts b/src/hooks/__tests__/useUIInstance.spec.ts
index 06f162f..11f2b0a 100644
--- a/src/hooks/__tests__/useUIInstance.spec.ts
+++ b/src/hooks/__tests__/useUIInstance.spec.ts
@@ -16,7 +16,7 @@ describe('getInternalInstance', () => {
   it('should return correct env for internal instance host', () => {
     mockLocation({ hostname: 'konflux.apps.stone-prod-p01.wcfb.p1.openshiftapps.com' });
     expect(getInternalInstance()).toEqual('prod');
-    mockLocation({ hostname: 'rhtap.apps.rosa.stone-stage-p01.apys.p3.openshiftapps.com' });
+    mockLocation({ hostname: 'rhtap.apps.rosa.stone-stg-p01.apys.p3.openshiftapps.com' });
     expect(getInternalInstance()).toEqual('stage');
     mockLocation({ hostname: 'abcd.com' });
     expect(getInternalInstance()).toEqual(undefined);
@@ -33,7 +33,7 @@ describe('useUIInstance', () => {
 
   it('should return correct env for internal instance', () => {
     mockEnv.mockReturnValue('prod');
-    mockLocation({ hostname: 'rhtap.apps.rosa.stone-stage-p01.apys.p3.openshiftapps.com' });
+    mockLocation({ hostname: 'rhtap.apps.rosa.stone-stg-p01.apys.p3.openshiftapps.com' });
     const { result, rerender } = renderHook(() => useUIInstance());
     expect(result.current).toEqual('stage');
     mockEnv.mockReturnValue('qa');
diff --git a/src/hooks/useUIInstance.ts b/src/hooks/useUIInstance.ts
index 3535f23..6cbf31a 100644
--- a/src/hooks/useUIInstance.ts
+++ b/src/hooks/useUIInstance.ts
@@ -9,16 +9,24 @@ export enum ConsoleDotEnvironments {
   internalStage = 'stage',
 }
 
+enum EnvironmentShortName {
+  stage = 'stg',
+  prod = 'prod',
+}
+
 export const getEnv = (): ConsoleDotEnvironments => ConsoleDotEnvironments.prod;
 
-const internalInstance = (host: string) => (env: 'prod' | 'stage') =>
-  new RegExp(`stone-${env}-([A-Za-z0-9]+).([a-z]+).([a-z0-9]+).openshiftapps.com`, 'g').test(host);
+const internalInstance =
+  (host: string) => (env: EnvironmentShortName.prod | EnvironmentShortName.stage) =>
+    new RegExp(`stone-${env}-([A-Za-z0-9]+).([a-z]+).([a-z0-9]+).openshiftapps.com`, 'g').test(
+      host,
+    );
 
 export const getInternalInstance = () => {
   const matchInternalInstance = internalInstance(window.location.hostname);
-  if (matchInternalInstance('prod')) {
+  if (matchInternalInstance(EnvironmentShortName.prod)) {
     return ConsoleDotEnvironments.internalProd;
-  } else if (matchInternalInstance('stage')) {
+  } else if (matchInternalInstance(EnvironmentShortName.stage)) {
     return ConsoleDotEnvironments.internalStage;
   }
   return undefined;