diff --git a/software/lib/canbus.c b/software/lib/canbus.c
index 55442a3..bac6b69 100644
--- a/software/lib/canbus.c
+++ b/software/lib/canbus.c
@@ -26,7 +26,7 @@ static int canbus_set(const char *key, size_t len, settings_read_cb read_cb, voi
             return -EINVAL; // Invalid argument
         }
 
-        int rc = read_cb(cb_arg, &node_id, sizeof(node_id));
+        rc = read_cb(cb_arg, &node_id, sizeof(node_id));
         if (rc < 0)
         {
             LOG_ERR("Failed to read node_id setting: %d", rc);