diff --git a/gprof/ChangeLog b/gprof/ChangeLog
index 05ef412003..a37042a1cf 100644
--- a/gprof/ChangeLog
+++ b/gprof/ChangeLog
@@ -1,3 +1,7 @@
+Tue May  5 18:28:40 1998  Tom Tromey  <tromey@cygnus.com>
+
+	* gprof.h (_): Undefine BFD's version.
+
 Tue Apr 28 19:17:33 1998  Tom Tromey  <tromey@cygnus.com>
 
 	* gprof.c (main): Conditionally call setlocale.
diff --git a/gprof/gprof.h b/gprof/gprof.h
index 01d6da47fa..cb3230ef76 100644
--- a/gprof/gprof.h
+++ b/gprof/gprof.h
@@ -30,6 +30,8 @@
    gprof config.h file.  */
 #undef PACKAGE
 #undef VERSION
+/* Also undefine BFD's `_' macro; we have our own definition.  */
+#undef _
 
 #include "gconfig.h"