diff --git a/src/libeis.h b/src/libeis.h
index 37607d1..6e263ca 100644
--- a/src/libeis.h
+++ b/src/libeis.h
@@ -452,9 +452,9 @@ eis_device_get_keymap_type(struct eis_device *device);
  * @param fd a memmap-able file descriptor to the keymap
  */
 void
-eis_device_keyboard_set_keymap(struct eis_device *device,
-			       enum eis_keymap_type type,
-			       int fd);
+eis_device_set_keymap(struct eis_device *device,
+		      enum eis_keymap_type type,
+		      int fd, size_t size);
 
 /**
  * Return the device from this event.