diff --git a/data/helpers.d/php b/data/helpers.d/php
index 4ec011217..9b23baf25 100644
--- a/data/helpers.d/php
+++ b/data/helpers.d/php
@@ -96,7 +96,7 @@ ynh_add_fpm_config () {
             local additionnal_packages=""
         fi
         # Install this specific version of php.
-        ynh_install_php --phpversion=$phpversion "$additionnal_packages"
+        ynh_install_php --phpversion="$phpversion" "$additionnal_packages"
     elif [ -n "$package" ]
     then
         # Install the additionnal packages from the default repository
diff --git a/data/helpers.d/systemd b/data/helpers.d/systemd
index 5e67baf4d..d72744aa0 100644
--- a/data/helpers.d/systemd
+++ b/data/helpers.d/systemd
@@ -169,7 +169,7 @@ ynh_systemd_action() {
             ynh_exec_warn journalctl --no-pager --lines=$length --unit=$service_name
             if [ -e "$log_path" ]
             then
-                ynh_print_warn --message="--"
+                ynh_print_warn --message="\-\-\-"
                 ynh_exec_warn tail --lines=$length "$log_path"
             fi
         fi
@@ -187,7 +187,7 @@ ynh_clean_check_starting () {
     if [ -n "$pid_tail" ]
     then
         # Stop the execution of tail.
-        kill --signal 15 $pid_tail 2>&1
+        kill -SIGTERM $pid_tail 2>&1
     fi
     if [ -n "$templog" ]
     then