diff --git a/src/Resources/Resources/ActiveDirectory/Cmdlets/UpdateAzureADApplicationCommand.cs b/src/Resources/Resources/ActiveDirectory/Cmdlets/UpdateAzureADApplicationCommand.cs
index b52aa79cb4af..a73241fc6c68 100644
--- a/src/Resources/Resources/ActiveDirectory/Cmdlets/UpdateAzureADApplicationCommand.cs
+++ b/src/Resources/Resources/ActiveDirectory/Cmdlets/UpdateAzureADApplicationCommand.cs
@@ -102,7 +102,7 @@ public override void ExecuteCmdlet()
                     Homepage = HomePage,
                     IdentifierUris = IdentifierUri,
                     ReplyUrls = ReplyUrl,
-                    AvailableToOtherTenants = AvailableToOtherTenants
+                    AvailableToOtherTenants = this.IsParameterBound(c => c.AvailableToOtherTenants) ? AvailableToOtherTenants : (bool?)null
                 };
 
                 if (ShouldProcess(target: ObjectId, action: string.Format("Updating an application with object id '{0}'", ObjectId)))
diff --git a/src/Resources/Resources/ChangeLog.md b/src/Resources/Resources/ChangeLog.md
index b25c24dc7fdf..515ba507cf5d 100644
--- a/src/Resources/Resources/ChangeLog.md
+++ b/src/Resources/Resources/ChangeLog.md
@@ -23,6 +23,7 @@
     - Add new cmdlets for managing deployments at tenant scope: *-AzTenantDeployment
     - Refactor *-AzDeployment cmdlets to work specificly at subscription scope
     - Created aliases *-AzSubscriptionDeployment for *-AzDeployment cmdlets
+* Fix `Update-AzADApplication` when parameter `AvailableToOtherTenants` is not set 
 
 ## Version 1.10.0
 * Make -Scope optional in *-AzPolicyAssignment cmdlets with default to context subscription