diff --git a/src/include/rmd160.h b/src/include/rmd160.h
index 2452c2b0..499a7658 100644
--- a/src/include/rmd160.h
+++ b/src/include/rmd160.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rmd160.h,v 1.3 1998/03/23 12:49:28 janjaap Exp $	*/
+/*	$OpenBSD: rmd160.h,v 1.4 1999/08/16 09:59:04 millert Exp $	*/
 
 /********************************************************************\
  *
@@ -37,7 +37,7 @@ typedef struct {
 
 void RMD160Init __P((RMD160_CTX *context));
 void RMD160Transform __P((u_int32_t state[5], const u_int32_t block[16]));
-void RMD160Update __P((RMD160_CTX *context, const u_char *data, u_int nbytes));
+void RMD160Update __P((RMD160_CTX *context, const u_char *data, u_int32_t nbytes));
 void RMD160Final __P((u_char digest[20], RMD160_CTX *context));
 char *RMD160End __P((RMD160_CTX *, char *));
 char *RMD160File __P((char *, char *));