diff --git a/src/libsystemd/sd-bus/kdbus.h b/src/libsystemd/sd-bus/kdbus.h
index 09ae90cee3..bdaf25e6ed 100644
--- a/src/libsystemd/sd-bus/kdbus.h
+++ b/src/libsystemd/sd-bus/kdbus.h
@@ -853,13 +853,13 @@ struct kdbus_cmd_memfd_make {
  */
 enum kdbus_ioctl_type {
 	KDBUS_CMD_BUS_MAKE =		_IOW (KDBUS_IOC_MAGIC, 0x00, struct kdbus_cmd_make),
-	KDBUS_CMD_NS_MAKE =		_IOR (KDBUS_IOC_MAGIC, 0x10, struct kdbus_cmd_make),
+	KDBUS_CMD_NS_MAKE =		_IOW (KDBUS_IOC_MAGIC, 0x10, struct kdbus_cmd_make),
 	KDBUS_CMD_EP_MAKE =		_IOW (KDBUS_IOC_MAGIC, 0x20, struct kdbus_cmd_make),
 
 	KDBUS_CMD_HELLO =		_IOWR(KDBUS_IOC_MAGIC, 0x30, struct kdbus_cmd_hello),
 	KDBUS_CMD_BYEBYE =		_IO  (KDBUS_IOC_MAGIC, 0x31),
 
-	KDBUS_CMD_MSG_SEND =		_IOW (KDBUS_IOC_MAGIC, 0x40, struct kdbus_msg),
+	KDBUS_CMD_MSG_SEND =		_IOWR(KDBUS_IOC_MAGIC, 0x40, struct kdbus_msg),
 	KDBUS_CMD_MSG_RECV =		_IOWR(KDBUS_IOC_MAGIC, 0x41, struct kdbus_cmd_recv),
 	KDBUS_CMD_MSG_CANCEL =		_IOW (KDBUS_IOC_MAGIC, 0x42, __u64 *),
 	KDBUS_CMD_FREE =		_IOW (KDBUS_IOC_MAGIC, 0x43, __u64 *),