diff --git a/Makefile b/Makefile
index 88acb35..47e5e22 100644
--- a/Makefile
+++ b/Makefile
@@ -12,6 +12,7 @@ root_overlay: root_overlay/etc/door_tokens
 root_overlay: root_overlay/etc/dropbear/dropbear_ecdsa_host_key
 root_overlay: root_overlay/root/.ssh/authorized_keys
 root_overlay: root_overlay/root/key
+root_overlay: root_overlay/etc/wpa_supplicant/wpa_supplicant.conf
 
 root_overlay/root/.ssh/authorized_keys: ~/.ssh/id_rsa.pub
 	cp ^< $@
@@ -35,6 +36,11 @@ root_overlay/etc/dropbear/dropbear_ecdsa_host_key:
 	mkdir -p `dirname $@`
 	ssh-keygen -t ecdsa -f $@
 
+root_overlay/etc/wpa_supplicant/wpa_supplicant.conf:
+	mkdir -p `dirname $@`
+	@echo "Please enter the passphrase for the space wifi:"
+	wpa_passphrase Space > $@
+
 clean:
 	make -C buildroot clean
 	rm -f sdcard.img