diff --git a/images/linux/scripts/installers/preparemetadata.sh b/images/linux/scripts/installers/preparemetadata.sh
index 8342cfe11..9e8aef1e1 100644
--- a/images/linux/scripts/installers/preparemetadata.sh
+++ b/images/linux/scripts/installers/preparemetadata.sh
@@ -9,8 +9,8 @@ source $HELPER_SCRIPTS/document.sh
 
 WriteItem "<!--- DO NOT EDIT - This markdown file is autogenerated. -->"
 
-if [ $ANNOUNCEMENTS ]; then
-    WriteItem $ANNOUNCEMENTS
+if [ -n "$ANNOUNCEMENTS" ]; then
+    WriteItem "$ANNOUNCEMENTS"
     WriteItem "***"
 fi