diff --git a/include/haproxy/global.h b/include/haproxy/global.h
index 3f6f1209ed..e058d25e21 100644
--- a/include/haproxy/global.h
+++ b/include/haproxy/global.h
@@ -62,6 +62,7 @@ int delete_oldpid(int pid);
 void hap_register_build_opts(const char *str, int must_free);
 int split_version(const char *version, unsigned int *value);
 int compare_current_version(const char *version);
+void display_version();
 
 void mworker_accept_wrapper(int fd);
 void mworker_reload(void);
diff --git a/src/haproxy.c b/src/haproxy.c
index 06b988dad2..d5c7121d98 100644
--- a/src/haproxy.c
+++ b/src/haproxy.c
@@ -490,7 +490,7 @@ int compare_current_version(const char *version)
 	return 0;
 }
 
-static void display_version()
+void display_version()
 {
 	struct utsname utsname;