diff --git a/tests/auto/network/socket/platformsocketengine/tst_platformsocketengine.cpp b/tests/auto/network/socket/platformsocketengine/tst_platformsocketengine.cpp
index 40f22d6d1e..f474f97f5d 100644
--- a/tests/auto/network/socket/platformsocketengine/tst_platformsocketengine.cpp
+++ b/tests/auto/network/socket/platformsocketengine/tst_platformsocketengine.cpp
@@ -56,6 +56,10 @@
 #include <sys/socket.h>
 #endif
 
+#ifdef Q_OS_VXWORKS
+#include <sockLib.h>
+#endif
+
 #include <stddef.h>
 
 #define PLATFORMSOCKETENGINE QNativeSocketEngine