diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index d8ea607e2368db33863126aa8ec3c9beae3c551e..99d37d1fa6621455a49f1f1ef341e2e2d6d04d30 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2015-01-02  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/64468
+	* doc/doxygen/user.cfg.in: Set correct TAB_SIZE.
+
 2015-01-02  Jonathan Wakely  <jwakely@redhat.com>
 
 	PR libstdc++/64438
diff --git a/libstdc++-v3/doc/doxygen/user.cfg.in b/libstdc++-v3/doc/doxygen/user.cfg.in
index 019462e92ad7d8b46ed0ec580691292f2f63e21d..ff2db489d6efc71bd2b6602282aa98af00e7efea 100644
--- a/libstdc++-v3/doc/doxygen/user.cfg.in
+++ b/libstdc++-v3/doc/doxygen/user.cfg.in
@@ -208,7 +208,7 @@ SEPARATE_MEMBER_PAGES  = NO
 # uses this value to replace tabs by spaces in code fragments.
 # Minimum value: 1, maximum value: 16, default value: 4.
 
-TAB_SIZE               = 4
+TAB_SIZE               = 8
 
 # This tag can be used to specify a number of aliases that act as commands in
 # the documentation. An alias has the form: