diff --git a/include/microkernel/entries.h b/include/microkernel/entries.h
index b08e21c50dc..81b3c4922b2 100644
--- a/include/microkernel/entries.h
+++ b/include/microkernel/entries.h
@@ -60,7 +60,7 @@ extern void K_waitmacc(struct k_args *);
 extern void K_waitmend(struct k_args *);
 extern void K_waitmtmo(struct k_args *);
 extern void K_inqsema(struct k_args *);
-extern void K_lockreq(struct k_args *);
+extern void _k_mutex_lock_request(struct k_args *);
 extern void _k_mutex_lock_reply(struct k_args *);
 extern void K_unlock(struct k_args *);
 extern void K_enqreq(struct k_args *);
diff --git a/kernel/microkernel/include/kres.h b/kernel/microkernel/include/kres.h
index 4ad03cae4b4..b37005dbe28 100644
--- a/kernel/microkernel/include/kres.h
+++ b/kernel/microkernel/include/kres.h
@@ -33,7 +33,7 @@
 #ifndef KRES_H
 #define KRES_H
 
-extern void K_lockreq(struct k_args *A);
+extern void _k_mutex_lock_request(struct k_args *A);
 extern void _k_mutex_lock_reply(struct k_args *A);
 extern void K_unlock(struct k_args *A);
 
diff --git a/kernel/microkernel/k_mutex.c b/kernel/microkernel/k_mutex.c
index db13a35de2b..ad8f7fe8418 100644
--- a/kernel/microkernel/k_mutex.c
+++ b/kernel/microkernel/k_mutex.c
@@ -143,7 +143,7 @@ void _k_mutex_lock_reply(
 
 /*******************************************************************************
 *
-* K_lockreq - process a mutex lock request
+* _k_mutex_lock_request - process a mutex lock request
 *
 * This routine processes a mutex lock request (LOCK_REQ).  If the mutex
 * is already locked, and the timeout is non-zero then the priority inheritance
@@ -154,7 +154,7 @@ void _k_mutex_lock_reply(
 * \NOMANUAL
 */
 
-void K_lockreq(struct k_args *A /* pointer to mutex lock
+void _k_mutex_lock_request(struct k_args *A /* pointer to mutex lock
 						  request arguments */
 				     )
 {
diff --git a/scripts/sysgen.py b/scripts/sysgen.py
index 75346437811..1d780ca92d7 100755
--- a/scripts/sysgen.py
+++ b/scripts/sysgen.py
@@ -775,7 +775,7 @@ def kernel_main_c_kernel_services():
 "/* 18 */ K_waitmend,",             # depends on semaphores
 "/* 19 */ K_waitmtmo,",             # depends on semaphores and timers
 "/* 20 */ K_inqsema,",              # depends on semaphores
-"/* 21 */ K_lockreq,",              # depends on mutexes
+"/* 21 */ _k_mutex_lock_request,",        # depends on mutexes
 "/* 22 */ _k_mutex_lock_reply,",          # depends on mutexes
 "/* 23 */ _k_mutex_lock_reply,",          # depends on mutexes and timers
 "/* 24 */ K_unlock,",               # depends on mutexes