1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/libcrypto/des/rpc_des.h b/src/lib/libcrypto/des/rpc_des.h
index efc474f00e..8263c512ab 100644
--- a/src/lib/libcrypto/des/rpc_des.h
+++ b/src/lib/libcrypto/des/rpc_des.h
@@ -124,10 +124,10 @@ struct desparams {
 /*
  * Encrypt an arbitrary sized buffer
  */
-#define DESIOCBLOCK     _IOWR(d, 6, struct desparams)
+#define DESIOCBLOCK     _IOWR('d', 6, struct desparams)
 
 /* 
  * Encrypt of small amount of data, quickly
  */
-#define DESIOCQUICK     _IOWR(d, 7, struct desparams) 
+#define DESIOCQUICK     _IOWR('d', 7, struct desparams)