diff --git a/CREDITS b/CREDITS
index f0dd26a0d6..a93d7308ef 100644
--- a/CREDITS
+++ b/CREDITS
@@ -24,5 +24,6 @@ Roman Shaposhnik
 Dieter Shirley
 Juan J. Sierralta
 Ewald Snel
+Leon van Stuivenberg
 Roberto Togni
 Lionel Ulmer
diff --git a/libavcodec/ps2/dsputil_mmi.c b/libavcodec/ps2/dsputil_mmi.c
index f7bea7e359..8d1bf4ba78 100644
--- a/libavcodec/ps2/dsputil_mmi.c
+++ b/libavcodec/ps2/dsputil_mmi.c
@@ -16,7 +16,7 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
- * MMI optimization by Leon van Stuivenberg <leonvs@iae.nl>
+ * MMI optimization by Leon van Stuivenberg
  * clear_blocks_mmi() by BroadQ
  */
 
diff --git a/libavcodec/ps2/idct_mmi.c b/libavcodec/ps2/idct_mmi.c
index b3b4e91af7..1d2c7e9374 100644
--- a/libavcodec/ps2/idct_mmi.c
+++ b/libavcodec/ps2/idct_mmi.c
@@ -9,7 +9,7 @@
   http://www.elecard.com/peter/idct.shtml
   Rounding trick Copyright (c) 2000 Michel Lespinasse <walken@zoy.org>
 
-  mmi port by leonvs@iae.nl
+  MMI port by Leon van Stuivenberg
 */  
 #include "../common.h"
 #include "../dsputil.h"
diff --git a/libavcodec/ps2/mpegvideo_mmi.c b/libavcodec/ps2/mpegvideo_mmi.c
index d8a82fa3cc..2d706b8229 100644
--- a/libavcodec/ps2/mpegvideo_mmi.c
+++ b/libavcodec/ps2/mpegvideo_mmi.c
@@ -15,7 +15,7 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
- * MMI optimization by Leon van Stuivenberg <leonvs@iae.nl>
+ * MMI optimization by Leon van Stuivenberg
  */
  
 #include "../dsputil.h"