diff --git a/src/flt_spoe.c b/src/flt_spoe.c
index 7749cc98c..a68f7b914 100644
--- a/src/flt_spoe.c
+++ b/src/flt_spoe.c
@@ -36,6 +36,7 @@
 #include <haproxy/tcp_rules.h>
 #include <haproxy/thread.h>
 #include <haproxy/time.h>
+#include <haproxy/tools.h>
 #include <haproxy/vars.h>