--- a/wpa_supplicant/dbus/fi.w1.wpa_supplicant1.service.in
+++ b/wpa_supplicant/dbus/fi.w1.wpa_supplicant1.service.in
@@ -1,5 +1,5 @@
 [D-BUS Service]
 Name=fi.w1.wpa_supplicant1
-Exec=@BINDIR@/wpa_supplicant -u
+Exec=@BINDIR@/wpa_supplicant -B -u -f /var/log/wpa_supplicant.log -c /etc/wpa_supplicant/wpa_supplicant.conf -P /var/run/wpa_supplicant.pid
 User=root
 SystemdService=wpa_supplicant.service
--- a/wpa_supplicant/dbus/fi.epitest.hostap.WPASupplicant.service.in
+++ b/wpa_supplicant/dbus/fi.epitest.hostap.WPASupplicant.service.in
@@ -1,5 +1,5 @@
 [D-BUS Service]
 Name=fi.epitest.hostap.WPASupplicant
-Exec=@BINDIR@/wpa_supplicant -u
+Exec=@BINDIR@/wpa_supplicant -B -u -f /var/log/wpa_supplicant.log -c /etc/wpa_supplicant/wpa_supplicant.conf -P /var/run/wpa_supplicant.pid
 User=root
 SystemdService=wpa_supplicant.service