diff --git a/lib/vquic/curl_osslq.c b/lib/vquic/curl_osslq.c
index 1e5d153cd7..72ee7d372f 100644
--- a/lib/vquic/curl_osslq.c
+++ b/lib/vquic/curl_osslq.c
@@ -47,6 +47,7 @@
 #include "../http1.h"
 #include "../select.h"
 #include "../inet_pton.h"
+#include "../uint-hash.h"
 #include "vquic.h"
 #include "vquic_int.h"
 #include "vquic-tls.h"