diff --git a/src/regex.c b/src/regex.c
index 3510f72..1c3c55f 100644
--- a/src/regex.c
+++ b/src/regex.c
@@ -15,6 +15,7 @@
 #include <string.h>
 
 #include <haproxy/api.h>
+#include <haproxy/global.h>
 #include <haproxy/log.h>
 #include <haproxy/regex.h>
 #include <haproxy/tools.h>