diff --git a/examples/osgcluster/broadcaster.cpp b/examples/osgcluster/broadcaster.cpp
index 36de313b4..742c0bf1b 100644
--- a/examples/osgcluster/broadcaster.cpp
+++ b/examples/osgcluster/broadcaster.cpp
@@ -37,7 +37,7 @@
 #if defined(__linux)
     #include <unistd.h>
     #include <linux/sockios.h>
-#elif defined(__FreeBSD__)
+#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
     #include <unistd.h>
     #include <sys/sockio.h>
 #elif defined(__sgi)