diff --git a/_modules/scripts/new_options.sh b/_modules/scripts/new_options.sh
index 06448c884..34c9d07b8 100644
--- a/_modules/scripts/new_options.sh
+++ b/_modules/scripts/new_options.sh
@@ -64,7 +64,7 @@ adapt_new_options() {
 
   sed -i --follow-symlinks '$a\' mailcow.conf
   for option in ${CONFIG_ARRAY[@]}; do
-    if grep -q "${option}" mailcow.conf; then
+    if grep -q "^${option}=" mailcow.conf; then
       continue
     fi