diff --git a/arch/arm/core/task_abort.c b/arch/arm/core/task_abort.c
index 4a50fcbbe40..28759d92d4d 100644
--- a/arch/arm/core/task_abort.c
+++ b/arch/arm/core/task_abort.c
@@ -77,7 +77,7 @@ void _TaskAbort(void)
 		cmdpacket.Comm = TSKOP;
 		cmdpacket.Args.g1.task = K_Task->Ident;
 		cmdpacket.Args.g1.opt = taskAbortCode;
-		cmdpacket.Srce = 0;
+		cmdpacket.alloc = false;
 		K_Task->Args = &cmdpacket;
 		nano_isr_stack_push(&K_Args, (uint32_t) &cmdpacket);
 		_ScbPendsvSet();
diff --git a/include/microkernel/cmdPkt.h b/include/microkernel/cmdPkt.h
index 3f9ee4ab3c4..27b6a6c635d 100644
--- a/include/microkernel/cmdPkt.h
+++ b/include/microkernel/cmdPkt.h
@@ -54,7 +54,7 @@ extern "C" {
 * of command packets.
 *
 * INTERNAL
-* It is critical that the word corresponding to the [Srce] field in the
+* It is critical that the word corresponding to the [alloc] field in the
 * equivalent struct k_args command packet be zero so that the system knows that the
 * command packet is not part of the free list.
 */
diff --git a/include/microkernel/k_struct.h b/include/microkernel/k_struct.h
index ae59333324b..ec99f513e15 100644
--- a/include/microkernel/k_struct.h
+++ b/include/microkernel/k_struct.h
@@ -36,6 +36,7 @@
 #include <microkernel/k_types.h>
 #include <microkernel/k_chstr.h>
 #include <nanokernel.h>
+#include <stdbool.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -486,7 +487,7 @@ struct k_args {
 	struct k_args *Forw;
 	struct k_args **Head;
 	kpriority_t Prio;
-	knode_t Srce;
+	bool    alloc;          /* true if allocated via GETARGS(); else false */
 	K_COMM Comm;
 	K_CREF Ctxt;
 	union {
diff --git a/kernel/microkernel/core/taskcall.c b/kernel/microkernel/core/taskcall.c
index 9bae8342ced..36f852b6be4 100644
--- a/kernel/microkernel/core/taskcall.c
+++ b/kernel/microkernel/core/taskcall.c
@@ -47,7 +47,7 @@
 
 void K_taskcall(struct k_args *cmdpacket)
 {
-	cmdpacket->Srce = 0;
+	cmdpacket->alloc = false;
 	K_Task->Args = cmdpacket;
 	nano_task_stack_push(&K_Args, (uint32_t)cmdpacket);
 }
diff --git a/kernel/microkernel/k_mbox.c b/kernel/microkernel/k_mbox.c
index abad67a0428..65e12d8351f 100644
--- a/kernel/microkernel/k_mbox.c
+++ b/kernel/microkernel/k_mbox.c
@@ -144,7 +144,7 @@ static BOOL prepare_transfer(struct k_args *move,
 	reader->Time.rcode = RC_OK;
 
 	__ASSERT_NO_MSG(NULL == writer->Forw);
-	writer->Srce = K_ThisNode;
+	writer->alloc = true;
 
 	writer->Comm = SEND_ACK;
 	writer->Time.rcode = RC_OK;
diff --git a/kernel/microkernel/k_mempool.c b/kernel/microkernel/k_mempool.c
index fd1071053eb..01dc66f17fc 100644
--- a/kernel/microkernel/k_mempool.c
+++ b/kernel/microkernel/k_mempool.c
@@ -647,7 +647,7 @@ void K_RelBlock(struct k_args *A)
 					NewGet->Comm = GET_BLOCK_WAIT;
 					TO_ALIST(&K_Args, NewGet); /* push on command stack */
 				}
-				if (A->Srce) {
+				if (A->alloc) {
 					FREEARGS(A);
 				}
 				return;
diff --git a/kernel/microkernel/k_mutex.c b/kernel/microkernel/k_mutex.c
index 56f85685ad3..8904b84c77d 100644
--- a/kernel/microkernel/k_mutex.c
+++ b/kernel/microkernel/k_mutex.c
@@ -127,7 +127,7 @@ void K_lockrpl(
 
 		if (Mutex->OwnerCurrentPrio != newPriority) {
 			GETARGS(PrioChanger);
-			PrioChanger->Srce = K_ThisNode;
+			PrioChanger->alloc = true;
 			PrioChanger->Comm = SPRIO;
 			PrioChanger->Prio = newPriority;
 			PrioChanger->Args.g1.task = Mutex->Owner;
@@ -245,7 +245,7 @@ void K_lockreq(struct k_args *A /* pointer to mutex lock
 					/* Boost the priority level */
 					GETARGS(PrioBooster);
 
-					PrioBooster->Srce = K_ThisNode;
+					PrioBooster->alloc = true;
 					PrioBooster->Comm = SPRIO;
 					PrioBooster->Prio = BoostedPrio;
 					PrioBooster->Args.g1.task = Mutex->Owner;
@@ -334,7 +334,7 @@ void K_unlock(struct k_args *A /* pointer to mutex unlock
 			 */
 			GETARGS(PrioDowner);
 
-			PrioDowner->Srce = K_ThisNode;
+			PrioDowner->alloc = true;
 			PrioDowner->Comm = SPRIO;
 			PrioDowner->Prio = Mutex->OwnerOriginalPrio;
 			PrioDowner->Args.g1.task = Mutex->Owner;
diff --git a/kernel/microkernel/k_task.c b/kernel/microkernel/k_task.c
index 86747f21d2d..71163278fc3 100644
--- a/kernel/microkernel/k_task.c
+++ b/kernel/microkernel/k_task.c
@@ -380,7 +380,7 @@ void K_set_prio(struct k_args *A)
 		X->Prio = A->Args.g1.prio;
 		reset_state_bit(X, TF_PRIO);
 
-	if (A->Srce)
+	if (A->alloc)
 		FREEARGS(A);
 }