diff --git a/scripts/install b/scripts/install
index d9a2d40..507031a 100755
--- a/scripts/install
+++ b/scripts/install
@@ -102,7 +102,7 @@ then
 	ynh_replace_string --match_string="__YNH_UPLOAD_PASSWORD__" --replace_string="" --target_file="$jirafeauconfigfile"
 	ynh_app_setting_set --app=$app --key=upload_password --value=""
 else
-	ynh_replace_string --match_string="__YNH_UPLOAD_PASSWORD__" --replace_string="'$upload_password'" --target_file="$jirafeauconfigfile"
+	ynh_replace_special_string --match_string="__YNH_UPLOAD_PASSWORD__" --replace_string="'$upload_password'" --target_file="$jirafeauconfigfile"
 	ynh_app_setting_set --app=$app --key=upload_password --value="$upload_password"
 fi
 ynh_print_ON
diff --git a/scripts/upgrade b/scripts/upgrade
index b97c573..8aaae53 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -129,7 +129,7 @@ then
     ynh_replace_string --match_string="__YNH_UPLOAD_PASSWORD__" --replace_string="" --target_file="$jirafeauconfigfile"
 	ynh_app_setting_set --app=$app --key=upload_password --value=""
 else
-    ynh_replace_string --match_string="__YNH_UPLOAD_PASSWORD__" --replace_string="'$upload_password'" --target_file="$jirafeauconfigfile"
+    ynh_replace_special_string --match_string="__YNH_UPLOAD_PASSWORD__" --replace_string="'$upload_password'" --target_file="$jirafeauconfigfile"
 	ynh_app_setting_set --app=$app --key=upload_password --value="$upload_password"
 fi
 ynh_print_ON