diff --git a/arch/arm/core/thread_abort.c b/arch/arm/core/thread_abort.c
index 9fe8314caa5..378f3c38e7c 100644
--- a/arch/arm/core/thread_abort.c
+++ b/arch/arm/core/thread_abort.c
@@ -42,6 +42,7 @@ void k_thread_abort(k_tid_t thread)
 	key = irq_lock();
 
 	_k_thread_single_abort(thread);
+	_thread_monitor_exit(thread);
 
 	if (_current == thread) {
 		if (_ScbIsInThreadMode()) {
diff --git a/kernel/unified/thread_abort.c b/kernel/unified/thread_abort.c
index ebe93ab4324..deceafc2d21 100644
--- a/kernel/unified/thread_abort.c
+++ b/kernel/unified/thread_abort.c
@@ -39,6 +39,7 @@ void k_thread_abort(k_tid_t thread)
 	key = irq_lock();
 
 	_k_thread_single_abort(thread);
+	_thread_monitor_exit(thread);
 
 	if (_current == thread) {
 		_Swap(key);