diff --git a/websocket/include/wslay/config.h b/websocket/include/wslay/config.h
index 242cefa..9062c13 100644
--- a/websocket/include/wslay/config.h
+++ b/websocket/include/wslay/config.h
@@ -2,8 +2,12 @@
 #ifndef CONFIG_H
 #define CONFIG_H
 
-#define HAVE_ARPA_INET_H
-#define HAVE_NETINET_IN_H
+#if defined(_WIN32)
+    #define HAVE_WINSOCK2_H
+#else
+    #define HAVE_ARPA_INET_H
+    #define HAVE_NETINET_IN_H
+#endif
 /* #undef HAVE_WINSOCK2_H */
 /* #undef WORDS_BIGENDIAN */
 
diff --git a/websocket/include/wslay/wslay.h b/websocket/include/wslay/wslay.h
index 2fde81a..3306f2f 100644
--- a/websocket/include/wslay/wslay.h
+++ b/websocket/include/wslay/wslay.h
@@ -33,6 +33,14 @@ extern "C" {
 #include <stdlib.h>
 #include <sys/types.h>
 
+// Defold addition
+#if defined(_WIN32)
+  #if defined(_WIN64)
+    typedef int64_t ssize_t;
+  #else
+    typedef int32_t ssize_t;
+  #endif
+#endif
 
 /*
  * wslay/wslayver.h is generated from wslay/wslayver.h.in by
diff --git a/websocket/src/websocket.h b/websocket/src/websocket.h
index 81f8673..b14a43b 100644
--- a/websocket/src/websocket.h
+++ b/websocket/src/websocket.h
@@ -1,5 +1,9 @@
 #pragma once
 
+#if defined(_WIN32)
+#include <WinSock2.h>
+#endif
+
 // include the Defold SDK
 #include <dmsdk/sdk.h>