diff --git a/images/linux/scripts/helpers/install.sh b/images/linux/scripts/helpers/install.sh
index 0bf12071d..434dcad97 100644
--- a/images/linux/scripts/helpers/install.sh
+++ b/images/linux/scripts/helpers/install.sh
@@ -48,7 +48,7 @@ download_with_retries() {
 ## if ! IsPackageInstalled packageName; then
 ##     echo "packageName is not installed!"
 ## fi
-function IsPackageInstalled {
+IsPackageInstalled() {
     dpkg -S $1 &> /dev/null
 }