From 67faad3f93248187209e1ce87ab0c8eec97c1c40 Mon Sep 17 00:00:00 2001
From: LucasYao93 <53558334+LucasYao93@users.noreply.github.com>
Date: Fri, 28 May 2021 17:52:51 +0800
Subject: [PATCH] [Resource] Fixed issue that property  is cleaned by 
 [#15134]. (#15136)

---
 .../ActiveDirectory/Cmdlets/UpdateAzureADApplicationCommand.cs  | 2 +-
 src/Resources/Resources/ChangeLog.md                            | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Resources/Resources/ActiveDirectory/Cmdlets/UpdateAzureADApplicationCommand.cs b/src/Resources/Resources/ActiveDirectory/Cmdlets/UpdateAzureADApplicationCommand.cs
index 6781c4421391..a73241fc6c68 100644
--- a/src/Resources/Resources/ActiveDirectory/Cmdlets/UpdateAzureADApplicationCommand.cs
+++ b/src/Resources/Resources/ActiveDirectory/Cmdlets/UpdateAzureADApplicationCommand.cs
@@ -100,7 +100,7 @@ public override void ExecuteCmdlet()
                 {
                     DisplayName = DisplayName,
                     Homepage = HomePage,
-                    IdentifierUris = (IdentifierUri == null) ? new string[] { } : IdentifierUri,
+                    IdentifierUris = IdentifierUri,
                     ReplyUrls = ReplyUrl,
                     AvailableToOtherTenants = this.IsParameterBound(c => c.AvailableToOtherTenants) ? AvailableToOtherTenants : (bool?)null
                 };
diff --git a/src/Resources/Resources/ChangeLog.md b/src/Resources/Resources/ChangeLog.md
index a202b1353f37..4d0fb3abc565 100644
--- a/src/Resources/Resources/ChangeLog.md
+++ b/src/Resources/Resources/ChangeLog.md
@@ -19,6 +19,7 @@
 -->
 
 ## Upcoming Release
+* Fixed issue that property `IdentifierUri` is cleaned by `Update-AzAdApplication` [#15134]
 
 ## Version 4.1.0
 * Changed `-IdentifierUris` in `New-AzADApplication` to optional parameter