diff --git a/include/types/mailers.h b/include/haproxy/mailers-t.h
similarity index 92%
rename from include/types/mailers.h
rename to include/haproxy/mailers-t.h
index 2b8844298..b2a3ac3e4 100644
--- a/include/types/mailers.h
+++ b/include/haproxy/mailers-t.h
@@ -1,10 +1,10 @@
 /*
- * include/types/mailer.h
+ * include/haproxy/mailer-t.h
  * This file defines everything related to mailer.
  *
  * Copyright 2015 Horms Solutions Ltd., Simon Horman <horms@verge.net.au>
  *
- * Based on include/types/peers.h
+ * Based on include/haproxy/peers-t.h
  *
  * Copyright 2010 EXCELIANCE, Emeric Brun <ebrun@exceliance.fr>
  *
@@ -23,8 +23,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#ifndef _TYPES_MAILERS_H
-#define _TYPES_MAILERS_H
+#ifndef _HAPROXY_MAILERS_T_H
+#define _HAPROXY_MAILERS_T_H
 
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -61,8 +61,5 @@ struct mailers {
 	} timeout;
 };
 
-
-extern struct mailers *mailers;
-
-#endif /* _TYPES_MAILERS_H */
+#endif /* _HAPROXY_MAILERS_T_H */
 
diff --git a/include/haproxy/mailers.h b/include/haproxy/mailers.h
new file mode 100644
index 000000000..5daad862f
--- /dev/null
+++ b/include/haproxy/mailers.h
@@ -0,0 +1,34 @@
+/*
+ * include/haproxy/mailer.h
+ * This file lists exported variables and functions for mailers.
+ *
+ * Copyright 2015 Horms Solutions Ltd., Simon Horman <horms@verge.net.au>
+ * Copyright 2020 Willy Tarreau <w@1wt.eu>
+ *
+ * Based on include/haproxy/peers-t.h
+ *
+ * Copyright 2010 EXCELIANCE, Emeric Brun <ebrun@exceliance.fr>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation, version 2.1
+ * exclusively.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef _HAPROXY_MAILERS_H
+#define _HAPROXY_MAILERS_H
+
+#include <haproxy/mailers-t.h>
+
+extern struct mailers *mailers;
+
+#endif /* _HAPROXY_MAILERS_H */
diff --git a/include/proto/checks.h b/include/proto/checks.h
index 04c9eeb63..d24943e75 100644
--- a/include/proto/checks.h
+++ b/include/proto/checks.h
@@ -23,7 +23,7 @@
 #define _PROTO_CHECKS_H
 
 #include <haproxy/action-t.h>
-#include <types/mailers.h>
+#include <haproxy/mailers.h>
 #include <types/checks.h>
 
 const char *get_check_status_description(short check_status);
diff --git a/src/cfgparse.c b/src/cfgparse.c
index 5302a18cc..011977a0a 100644
--- a/src/cfgparse.c
+++ b/src/cfgparse.c
@@ -40,6 +40,7 @@
 #include <haproxy/chunk.h>
 #include <haproxy/dns.h>
 #include <haproxy/errors.h>
+#include <haproxy/mailers-t.h>
 #include <haproxy/pool.h>
 #include <haproxy/tools.h>
 #include <haproxy/time.h>
@@ -52,7 +53,6 @@
 #include <types/global.h>
 #include <types/obj_type.h>
 #include <types/peers.h>
-#include <types/mailers.h>
 #include <types/stats.h>
 
 #include <proto/acl.h>
diff --git a/src/mailers.c b/src/mailers.c
index 4335453b5..601489481 100644
--- a/src/mailers.c
+++ b/src/mailers.c
@@ -12,6 +12,6 @@
 
 #include <stdlib.h>
 
-#include <types/mailers.h>
+#include <haproxy/mailers-t.h>
 
 struct mailers *mailers = NULL;