diff --git a/drivers/coresight/coresight_replicator.c b/drivers/coresight/coresight_replicator.c
index cdba6f51109..9d64d412123 100644
--- a/drivers/coresight/coresight_replicator.c
+++ b/drivers/coresight/coresight_replicator.c
@@ -78,7 +78,7 @@ replicator_hw_enable(FAR struct coresight_replicator_dev_s *repdev,
 {
   uint32_t id0val;
   uint32_t id1val;
-  int ret;
+  int ret = 0;
 
   if (port != 0 && port != 1)
     {