diff --git a/keyboard/README.md b/keyboard/README.md
index 6929d26..5937ead 100644
--- a/keyboard/README.md
+++ b/keyboard/README.md
@@ -7,6 +7,7 @@ US keyboard layout with Danish letters, and other additions.
 ```
 sudo patch --directory=/ --strip=0 < {dk,evdev.xml,evdev.lst}.patch
 ```
+For ISO keyboards, consider also applying `evdev_iso.patch` to swap the backslash and quote keys.
 
 ### Uninstall
 Add the `--reverse` flag to the command.
diff --git a/keyboard/evdev_iso.patch b/keyboard/evdev_iso.patch
new file mode 100644
index 0000000..dccd960
--- /dev/null
+++ b/keyboard/evdev_iso.patch
@@ -0,0 +1,9 @@
+--- /usr/share/X11/xkb/keycodes/evdev	2019-02-11 20:25:45.000000000 +0100
++++ /usr/share/X11/xkb/keycodes/evdev	2022-05-08 21:30:48.566876978 +0200
+@@ -36,4 +36,4 @@
+	<AD11> = 34;
+-	<AD12> = 35;
+-	<BKSL> = 51;
++	<AD12> = 51;
++	<BKSL> = 35;
+	alias <AC12> = <BKSL>;