diff --git a/net/can/can_getsockopt.c b/net/can/can_getsockopt.c
index df6d0c94d45..67ab7c631cf 100644
--- a/net/can/can_getsockopt.c
+++ b/net/can/can_getsockopt.c
@@ -78,7 +78,7 @@ int can_getsockopt(FAR struct socket *psock, int option,
                    FAR void *value, FAR socklen_t *value_len)
 {
   FAR struct can_conn_s *conn;
-  int ret;
+  int ret = OK;
 
   DEBUGASSERT(psock != NULL && value != NULL && value_len != NULL &&
               psock->s_conn != NULL);
diff --git a/net/can/can_setsockopt.c b/net/can/can_setsockopt.c
index 3359e40a0bf..71595d7bcbe 100644
--- a/net/can/can_setsockopt.c
+++ b/net/can/can_setsockopt.c
@@ -73,7 +73,7 @@ int can_setsockopt(FAR struct socket *psock, int option,
                    FAR const void *value, socklen_t value_len)
 {
   FAR struct can_conn_s *conn;
-  int ret;
+  int ret = OK;
   int count = 0;
 
   DEBUGASSERT(psock != NULL && value != NULL && psock->s_conn != NULL);