diff --git a/Install-AteraAgent.ps1 b/Install-AteraAgent.ps1
index 7745f7d..d33b6db 100644
--- a/Install-AteraAgent.ps1
+++ b/Install-AteraAgent.ps1
@@ -6,8 +6,8 @@
 )
 
 ## Make $INTEGRATOR_ID URL safe
-$INTEGRATOR_ID = $INTEGRATOR_ID -replace '@','%40'
-$INTEGRATOR_ID = $INTEGRATOR_ID -replace '+','%2B'
+$INTEGRATOR_ID = $INTEGRATOR_ID -replace [Regex]::Escape('@'),'%40'
+$INTEGRATOR_ID = $INTEGRATOR_ID -replace [Regex]::Escape('+'),'%2B'
 
 ## Set the Atera URL for your specific environment
 $BASE_URL = 'https://emberkom.atera.com'