diff --git a/src/drivers/uavcan/uavcan_servers.cpp b/src/drivers/uavcan/uavcan_servers.cpp
index d6a05dba67..fa4b2aab10 100644
--- a/src/drivers/uavcan/uavcan_servers.cpp
+++ b/src/drivers/uavcan/uavcan_servers.cpp
@@ -214,8 +214,8 @@ void UavcanServers::migrateFWFromRoot(const char *sd_path, const char *sd_root_p
 		}
 	}
 
-	if (dev_dirent != nullptr) {
-		(void)closedir(dev_dirent);
+	if (sd_root_dir != nullptr) {
+		(void)closedir(sd_root_dir);
 	}
 }