diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index d99ea83db9d..6609f9c7e7b 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2016-05-25  Tom Tromey  <tom@tromey.com>
+
+	* python/py-value.c (value_object_as_number): Use correct spelling
+	of HAVE_LIBPYTHON2_4.
+
 2016-05-25  Bernhard Heckel  <bernhard.heckel@intel.com>
 
 	* f-typeprint.c (f_type_print_base): Replace 0 by show.
diff --git a/gdb/python/py-value.c b/gdb/python/py-value.c
index 7a2a235d7e7..21e9247857a 100644
--- a/gdb/python/py-value.c
+++ b/gdb/python/py-value.c
@@ -1841,10 +1841,10 @@ static PyNumberMethods value_object_as_number = {
   valpy_divide,               /* nb_true_divide */
   NULL,			      /* nb_inplace_floor_divide */
   NULL,			      /* nb_inplace_true_divide */
-#ifndef HAVE_LIBPYTHON_2_4
+#ifndef HAVE_LIBPYTHON2_4
   /* This was added in Python 2.5.  */
   valpy_long,		      /* nb_index */
-#endif /* HAVE_LIBPYTHON_2_4 */
+#endif /* HAVE_LIBPYTHON2_4 */
 };
 
 static PyMappingMethods value_object_as_mapping = {