diff --git a/include/ChangeLog b/include/ChangeLog
index 0bb4a57d8..ca06ef563 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,8 @@
+2003-09-03  David Shaw  <dshaw@jabberwocky.com>
+
+	* types.h: Revert previous change.  This sort of thing is better
+	done in autoconf.
+
 2003-09-02  David Shaw  <dshaw@jabberwocky.com>
 
 	* types.h: Non-POSIX environments may have uint64_t but not
diff --git a/include/types.h b/include/types.h
index 383f01dc5..8abfa6e87 100644
--- a/include/types.h
+++ b/include/types.h
@@ -101,7 +101,7 @@ typedef unsigned long u32;
  */
 #ifndef HAVE_U64_TYPEDEF
 #undef u64	    /* maybe there is a macro with this name */
-#if SIZEOF_UINT64_T == 8 && defined(UINT64_C)
+#if SIZEOF_UINT64_T == 8
 typedef uint64_t u64;
 #define U64_C(c) (UINT64_C(c))
 #define HAVE_U64_TYPEDEF