diff --git a/src/hpack-dec.c b/src/hpack-dec.c
index 6e4a8b74a..147021cc3 100644
--- a/src/hpack-dec.c
+++ b/src/hpack-dec.c
@@ -32,6 +32,7 @@
 
 #include <import/ist.h>
 #include <haproxy/chunk.h>
+#include <haproxy/global.h>
 #include <haproxy/h2.h>
 #include <haproxy/hpack-dec.h>
 #include <haproxy/hpack-huff.h>