diff --git a/include/minix/com.h b/include/minix/com.h
index 84e5816b9..daf95b79c 100644
--- a/include/minix/com.h
+++ b/include/minix/com.h
@@ -1082,10 +1082,6 @@
 #define INPUT_RS_BASE 0x1580	/* from input driver to input server */
 
 #define INPUT_CONF		(INPUT_RQ_BASE + 0)	/* configure driver */
-#  define INPUT_KBD_ID		m7_i1	/* keyboard device ID */
-#  define INPUT_MOUSE_ID	m7_i2	/* mouse device ID */
-#  define INPUT_RSVD1_ID	m7_i3	/* ID for as yet unallocated type */
-#  define INPUT_RSVD2_ID	m7_i4	/* ID for as yet unallocated type */
 
 #define INPUT_SETLEDS		(INPUT_RQ_BASE + 1)	/* set keyboard LEDs */
 #  define INPUT_LED_MASK	m7_i1	/* status mask of LEDs */
diff --git a/include/minix/ipc.h b/include/minix/ipc.h
index 12bc0f460..0c9a7f662 100644
--- a/include/minix/ipc.h
+++ b/include/minix/ipc.h
@@ -630,6 +630,16 @@ typedef struct {
 } mess_i2c_li2cdriver_busc_i2c_reserve;
 _ASSERT_MSG_SIZE(mess_i2c_li2cdriver_busc_i2c_reserve);
 
+typedef struct {
+	int kbd_id;
+	int mouse_id;
+	int rsvd1_id;
+	int rsvd2_id;
+
+	uint8_t padding[40];
+} mess_input_linputdriver_input_conf;
+_ASSERT_MSG_SIZE(mess_input_linputdriver_input_conf);
+
 typedef struct {
 	uint32_t flags;
 	endpoint_t endpoint;
@@ -1249,6 +1259,8 @@ typedef struct {
 		mess_i2c_li2cdriver_busc_i2c_exec m_i2c_li2cdriver_busc_i2c_exec;
 		mess_i2c_li2cdriver_busc_i2c_reserve m_i2c_li2cdriver_busc_i2c_reserve;
 
+		mess_input_linputdriver_input_conf m_input_linputdriver_input_conf;
+
 		mess_lc_pm_exec		m_lc_pm_exec;
 		mess_lc_pm_exit		m_lc_pm_exit;
 		mess_lc_pm_getsid	m_lc_pm_getsid;
diff --git a/lib/libinputdriver/inputdriver.c b/lib/libinputdriver/inputdriver.c
index fd0ef1b9a..74c1f38da 100644
--- a/lib/libinputdriver/inputdriver.c
+++ b/lib/libinputdriver/inputdriver.c
@@ -102,8 +102,8 @@ do_conf(message *m_ptr)
 
 	/* Save the new state. */
 	input_endpt = m_ptr->m_source;
-	kbd_id = m_ptr->INPUT_KBD_ID;
-	mouse_id = m_ptr->INPUT_MOUSE_ID;
+	kbd_id = m_ptr->m_input_linputdriver_input_conf.kbd_id;
+	mouse_id = m_ptr->m_input_linputdriver_input_conf.mouse_id;
 
 	/* If the input server is "full" there's nothing for us to do. */
 	if (kbd_id == INVALID_INPUT_ID && mouse_id == INVALID_INPUT_ID)
diff --git a/servers/input/input.c b/servers/input/input.c
index b35cd4dbb..1b06edaef 100644
--- a/servers/input/input.c
+++ b/servers/input/input.c
@@ -506,10 +506,10 @@ input_connect(endpoint_t owner, char *labelp, int typemask)
 	memset(&m, 0, sizeof(m));
 
 	m.m_type = INPUT_CONF;
-	m.INPUT_KBD_ID = kbd_id;
-	m.INPUT_MOUSE_ID = mouse_id;
-	m.INPUT_RSVD1_ID = INVALID_INPUT_ID;	/* reserved (joystick?) */
-	m.INPUT_RSVD2_ID = INVALID_INPUT_ID;	/* reserved for future use */
+	m.m_input_linputdriver_input_conf.kbd_id = kbd_id;
+	m.m_input_linputdriver_input_conf.mouse_id = mouse_id;
+	m.m_input_linputdriver_input_conf.rsvd1_id = INVALID_INPUT_ID;	/* reserved (joystick?) */
+	m.m_input_linputdriver_input_conf.rsvd2_id = INVALID_INPUT_ID;	/* reserved for future use */
 
 	if ((r = asynsend3(owner, &m, AMF_NOREPLY)) != OK)
 		printf("INPUT: asynsend to %u failed (%d)\n", owner, r);