diff --git a/common/log_syslog.c b/common/log_syslog.c
index 0dcb5f7cdea..73bd3aca07e 100644
--- a/common/log_syslog.c
+++ b/common/log_syslog.c
@@ -5,6 +5,7 @@
  * Copyright (c) 2020, Heinrich Schuchardt <xypron.glpk@gmx.de>
  */
 
+#include <env.h>
 #include <log.h>
 #include <net.h>
 #include <asm/global_data.h>