diff --git a/ChangeLog b/ChangeLog
index 241961575..d574dc222 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -252,6 +252,8 @@
  - (djm) [md-sha256.c configure.ac] md-sha256.c needs sha2.h if present
  - (djm) [regress/.cvsignore] Ignore Makefile here
  - (djm) [loginrec.c] Need stat.h
+ - (djm) [openbsd-compat/sha2.h] Avoid include macro clash with
+   system sha2.h
 
 20060313
  - (dtucker) [configure.ac] Bug #1171: Don't use printf("%lld", longlong)
@@ -4153,4 +4155,4 @@
    - (djm) Trim deprecated options from INSTALL. Mention UsePAM
    - (djm) Fix quote handling in sftp; Patch from admorten AT umich.edu
 
-$Id: ChangeLog,v 1.4213 2006/03/15 03:01:11 djm Exp $
+$Id: ChangeLog,v 1.4214 2006/03/15 03:02:01 djm Exp $
diff --git a/openbsd-compat/sha2.h b/openbsd-compat/sha2.h
index fb40bde43..5e2641c4b 100644
--- a/openbsd-compat/sha2.h
+++ b/openbsd-compat/sha2.h
@@ -36,8 +36,8 @@
 
 /* OPENBSD ORIGINAL: include/sha2.h */
 
-#ifndef _SHA2_H
-#define _SHA2_H
+#ifndef _SSHSHA2_H
+#define _SSHSHA2_H
 
 #include "includes.h"
 
@@ -122,4 +122,4 @@ char *SHA512_Data(const u_int8_t *, size_t, char *)
 
 #endif /* !defined(HAVE_SHA256_UPDATE) && !defined(HAVE_EVP_SHA256) */
 
-#endif /* _SHA2_H */
+#endif /* _SSHSHA2_H */