diff --git a/include/curl/curl.h b/include/curl/curl.h
old mode 100644
new mode 100755
index c74874c14c..1715d753f8
--- a/include/curl/curl.h
+++ b/include/curl/curl.h
@@ -75,7 +75,8 @@
     defined(__minix) || defined(__SYMBIAN32__) || defined(__INTEGRITY) || \
     defined(ANDROID) || defined(__ANDROID__) || defined(__OpenBSD__) || \
     defined(__CYGWIN__) || defined(AMIGA) || \
-   (defined(__FreeBSD_version) && (__FreeBSD_version < 800000))
+   (defined(__FreeBSD_version) && (__FreeBSD_version < 800000)) || \
+    defined(__VXWORKS__)
 #include <sys/select.h>
 #endif