diff --git a/lib/roles/http/server/server.c b/lib/roles/http/server/server.c
index 6ec3c57cb..cb95b7859 100644
--- a/lib/roles/http/server/server.c
+++ b/lib/roles/http/server/server.c
@@ -1812,7 +1812,9 @@ int
 lws_handshake_server(struct lws *wsi, unsigned char **buf, size_t len)
 {
 	struct lws_context *context = lws_get_context(wsi);
+#if defined(LWS_WITH_HTTP2)
 	struct allocated_headers *ah;
+#endif
 	unsigned char *obuf = *buf;
 #if defined(LWS_WITH_HTTP2)
 	char tbuf[128], *p;