diff --git a/src/cfgparse-ssl.c b/src/cfgparse-ssl.c
index 09bcc64f7..cebab3739 100644
--- a/src/cfgparse-ssl.c
+++ b/src/cfgparse-ssl.c
@@ -34,6 +34,7 @@
 #include <haproxy/api.h>
 #include <haproxy/base64.h>
 #include <haproxy/cfgparse.h>
+#include <haproxy/errors.h>
 #include <haproxy/listener.h>
 #include <haproxy/openssl-compat.h>
 #include <haproxy/ssl_sock.h>