diff --git a/kernel/os/include/os/arch/common.h b/kernel/os/include/os/arch/common.h
index c5f09f3a7e..64ff55a79f 100644
--- a/kernel/os/include/os/arch/common.h
+++ b/kernel/os/include/os/arch/common.h
@@ -70,7 +70,7 @@ os_error_t os_arch_os_start(void);
 void os_set_env(os_stack_t *);
 void os_arch_init_task_stack(os_stack_t *sf);
 void os_default_irq_asm(void);
-void os_assert_cb(void);
+void os_assert_cb(const char *file, int line, const char *func, const char *e);
 void os_coredump_cb(void *tf);
 
 #ifdef __cplusplus
diff --git a/kernel/os/src/arch/cortex_m4/os_fault.c b/kernel/os/src/arch/cortex_m4/os_fault.c
index 7928d8a786..019c27fbfa 100644
--- a/kernel/os/src/arch/cortex_m4/os_fault.c
+++ b/kernel/os/src/arch/cortex_m4/os_fault.c
@@ -147,7 +147,7 @@ __assert_func(const char *file, int line, const char *func, const char *e)
 #endif
 
 #if MYNEWT_VAL(OS_ASSERT_CB)
-    os_assert_cb();
+    os_assert_cb(file, line, func, e);
 #endif
 
     SCB->ICSR = SCB_ICSR_NMIPENDSET_Msk;