diff --git a/build.psm1 b/build.psm1
index bdc98a191f..dd9e3ad7da 100644
--- a/build.psm1
+++ b/build.psm1
@@ -205,9 +205,16 @@ function Test-IsPreview
     param(
         [parameter(Mandatory)]
         [string]
-        $Version
+        $Version,
+
+        [switch]$IsLTS
     )
 
+    if ($IsLTS.IsPresent) {
+        ## If we are building a LTS package, then never consider it preview.
+        return $false
+    }
+
     return $Version -like '*-*'
 }
 
diff --git a/tools/packaging/packaging.psm1 b/tools/packaging/packaging.psm1
index 06e40538b7..751f4a8da5 100644
--- a/tools/packaging/packaging.psm1
+++ b/tools/packaging/packaging.psm1
@@ -775,7 +775,7 @@ function New-UnixPackage {
         }
 
         # Determine if the version is a preview version
-        $IsPreview = Test-IsPreview -Version $Version
+        $IsPreview = Test-IsPreview -Version $Version -IsLTS:$LTS
 
         # Preview versions have preview in the name
         $Name = if($LTS) {
@@ -1440,7 +1440,7 @@ function New-MacOSLauncher
         [switch]$LTS
     )
 
-    $IsPreview = Test-IsPreview -Version $Version
+    $IsPreview = Test-IsPreview -Version $Version -IsLTS:$LTS
     $packageId = Get-MacOSPackageId -IsPreview:$IsPreview
 
     # Define folder for launcher application.