diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index ba028ed230..ced508f1f0 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2019-10-16  Tom Tromey  <tom@tromey.com>
+
+	* objfiles.h (struct objfile) <original_name>: Now const.
+
 2019-10-16  Christian Biesinger  <cbiesinger@google.com>
 
 	* gdbsupport/gdb_setjmp.h (SIGSETJMP): Allow passing in the value to
diff --git a/gdb/objfiles.h b/gdb/objfiles.h
index dbd06c01e2..2d92120870 100644
--- a/gdb/objfiles.h
+++ b/gdb/objfiles.h
@@ -483,7 +483,7 @@ struct objfile
      This pointer is never NULL.  This does not have to be freed; it is
      guaranteed to have a lifetime at least as long as the objfile.  */
 
-  char *original_name = nullptr;
+  const char *original_name = nullptr;
 
   CORE_ADDR addr_low = 0;