diff --git a/include/microkernel/entries.h b/include/microkernel/entries.h
index 20c8fb7f4c5..0e13d102400 100644
--- a/include/microkernel/entries.h
+++ b/include/microkernel/entries.h
@@ -75,7 +75,7 @@ extern void K_senddata(struct k_args *);
 extern void _k_mbox_receive_request(struct k_args *);
 extern void _k_mbox_receive_reply(struct k_args *);
 extern void _k_mbox_receive_ack(struct k_args *);
-extern void K_recvdata(struct k_args *);
+extern void _k_mbox_receive_data(struct k_args *);
 extern void K_elapse(struct k_args *);
 extern void K_sleep(struct k_args *);
 extern void K_wakeup(struct k_args *);
diff --git a/kernel/microkernel/include/kmail.h b/kernel/microkernel/include/kmail.h
index eb148373f50..7746cf6d5d2 100644
--- a/kernel/microkernel/include/kmail.h
+++ b/kernel/microkernel/include/kmail.h
@@ -57,6 +57,6 @@ extern void _k_mbox_send_ack(struct k_args *Writer);
 extern void _k_mbox_receive_ack(struct k_args *Reader);
 extern void _k_mbox_receive_reply(struct k_args *Reader);
 extern void _k_mbox_receive_request(struct k_args *Reader);
-extern void K_recvdata(struct k_args *Starter);
+extern void _k_mbox_receive_data(struct k_args *Starter);
 
 #endif
diff --git a/kernel/microkernel/k_mbox.c b/kernel/microkernel/k_mbox.c
index 471d59b4c22..0d911762e4b 100644
--- a/kernel/microkernel/k_mbox.c
+++ b/kernel/microkernel/k_mbox.c
@@ -753,12 +753,12 @@ void _task_mbox_put_async(kmbox_t mbox, /* mailbox to which to send message */
 
 /*******************************************************************************
 *
-* K_recvdata - process a mailbox receive data request
+* _k_mbox_receive_data - process a mailbox receive data request
 *
 * RETURNS: N/A
 */
 
-void K_recvdata(struct k_args *Starter)
+void _k_mbox_receive_data(struct k_args *Starter)
 {
 	struct k_args *CopyStarter;
 	struct k_args *MoveD;
diff --git a/scripts/sysgen.py b/scripts/sysgen.py
index 0e6a637b0fb..c346880f52b 100755
--- a/scripts/sysgen.py
+++ b/scripts/sysgen.py
@@ -793,7 +793,7 @@ def kernel_main_c_kernel_services():
 "/* 36 */ _k_mbox_receive_request,",# depends on mailboxes
 "/* 37 */ _k_mbox_receive_reply,",  # depends on mailboxes and timers
 "/* 38 */ _k_mbox_receive_ack,",    # depends on mailboxes
-"/* 39 */ K_recvdata,",             # depends on mailboxes
+"/* 39 */ _k_mbox_receive_data,",   # depends on mailboxes
 "/* 40 */ K_elapse,",               # required
 "/* 41 */ K_sleep,",                # depends on timers
 "/* 42 */ K_wakeup,",               # depends on timers