diff --git a/build.psm1 b/build.psm1
index b27f2106ca6..50e0475e22d 100644
--- a/build.psm1
+++ b/build.psm1
@@ -1685,7 +1685,7 @@ function Start-PSBootstrap {
                 New-Item -Path "~/.rcedit" -Type Directory -Force > $null
 
                 ## need to specify TLS version 1.2 since GitHub API requires it
-                [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+                [Net.ServicePointManager]::SecurityProtocol = [Net.ServicePointManager]::SecurityProtocol -bor [Net.SecurityProtocolType]::Tls12
 
                 Invoke-WebRequest -OutFile "~/.rcedit/rcedit-x64.exe" -Uri $rceditUrl
             }