diff --git a/sympa/recipe/sympa_fix_personalization.recipe b/sympa/recipe/sympa_fix_personalization.recipe
index 4b3d310..643eb27 100644
--- a/sympa/recipe/sympa_fix_personalization.recipe
+++ b/sympa/recipe/sympa_fix_personalization.recipe
@@ -53,9 +53,10 @@ function prepend_2lines_of_text_before_existing_line {
 
 	if ! (grep "^$existing$" $file -B2 | grep -qz "$line1.*$line2.*$existing"); then
 		echo 'do prepend'
-		# >&2 echo "line1=$line1"
-		# >&2 echo "line2=$line2"
-		# >&2 echo "existing=$existing"
+		>&2 echo "line1=$line1"
+		>&2 echo "line2=$line2"
+		>&2 echo "existing=$existing"
+		echo sed -i "/^$existing$/s/^/$line1\n$line2\n/" $file
 		sed -i "/^$existing$/s/^/$line1\n$line2\n/" $file
 	else
 		echo 'already done!'