diff --git a/drivers/net/nsos_sockets.c b/drivers/net/nsos_sockets.c
index ac82e1ad525..bfd8cb2c7f3 100644
--- a/drivers/net/nsos_sockets.c
+++ b/drivers/net/nsos_sockets.c
@@ -256,6 +256,8 @@ static int nsos_close(void *obj)
 		errno = nsos_adapt_get_zephyr_errno();
 	}
 
+	k_free(sock);
+
 	return ret;
 }