diff --git a/cpukit/librpc/include/rpc/xdr.h b/cpukit/librpc/include/rpc/xdr.h
index 1529f41e7b..a9141a5bfb 100644
--- a/cpukit/librpc/include/rpc/xdr.h
+++ b/cpukit/librpc/include/rpc/xdr.h
@@ -41,8 +41,11 @@
 
 #ifndef _RPC_XDR_H
 #define _RPC_XDR_H
+
 #include <rtems/bsd/sys/cdefs.h>
 
+#include <rpc/types.h>
+
 /*
  * XDR provides a conventional way for converting between C data
  * types and an external bit-string representation.  Library supplied