diff --git a/.xinitrc b/.xinitrc
index ba0c6ef..c24d299 100644
--- a/.xinitrc
+++ b/.xinitrc
@@ -1 +1,2 @@
+numlockx &
 exec i3
diff --git a/.xinitrc##yadm.j2 b/.xinitrc##yadm.j2
new file mode 100644
index 0000000..7137931
--- /dev/null
+++ b/.xinitrc##yadm.j2
@@ -0,0 +1,4 @@
+{% if YADM_HOSTNAME=="Marpa" -%}
+numlockx &
+{% endif -%}
+exec i3