diff --git a/third_party/libwebsockets/lws_config.h b/third_party/libwebsockets/lws_config.h
index cbf0383352b2b0..4cb03e73fdab39 100644
--- a/third_party/libwebsockets/lws_config.h
+++ b/third_party/libwebsockets/lws_config.h
@@ -50,6 +50,7 @@
 //
 // Implied Options
 //
+#define LWS_HAS_INTPTR_T
 #define LWS_WITH_POLL
 #define LWS_MAX_SMP 1