diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
index 74da0393172c..d88220a8fb0c 100644
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -293,7 +293,7 @@ static void stm32_rproc_mb_vq_work(struct work_struct *work)
 
 	mutex_lock(&rproc->lock);
 
-	if (rproc->state != RPROC_RUNNING)
+	if (rproc->state != RPROC_RUNNING && rproc->state != RPROC_ATTACHED)
 		goto unlock_mutex;
 
 	if (rproc_vq_interrupt(rproc, mb->vq_id) == IRQ_NONE)