diff --git a/images/linux/scripts/installers/powershellcore.sh b/images/linux/scripts/installers/powershellcore.sh
index 8a69f4799..abd5d751d 100644
--- a/images/linux/scripts/installers/powershellcore.sh
+++ b/images/linux/scripts/installers/powershellcore.sh
@@ -6,6 +6,7 @@
 
 # Source the helpers for use with the script
 source $HELPER_SCRIPTS/document.sh
+source $HELPER_SCRIPTS/os.sh
 
 # Install Powershell
 if isUbuntu20 ; then