diff --git a/gitk b/gitk
index 9da052623..db8977d4f 100755
--- a/gitk
+++ b/gitk
@@ -2787,7 +2787,7 @@ proc about {} {
     message $w.m -text [mc "
 Gitk - a commit viewer for git
 
-Copyright © 2005-2009 Paul Mackerras
+Copyright \u00a9 2005-2010 Paul Mackerras
 
 Use and redistribute under the terms of the GNU General Public License"] \
 	    -justify center -aspect 400 -border 2 -bg white -relief groove
diff --git a/po/de.po b/po/de.po
index c79aa9cbc..bd194a3df 100644
--- a/po/de.po
+++ b/po/de.po
@@ -334,14 +334,14 @@ msgid ""
 "\n"
 "Gitk - a commit viewer for git\n"
 "\n"
-"Copyright ©9 2005-2009 Paul Mackerras\n"
+"Copyright \\u00a9 2005-2010 Paul Mackerras\n"
 "\n"
 "Use and redistribute under the terms of the GNU General Public License"
 msgstr ""
 "\n"
 "Gitk - eine Visualisierung der Git-Historie\n"
 "\n"
-"Copyright © 2005-2009 Paul Mackerras\n"
+"Copyright \\u00a9 2005-2010 Paul Mackerras\n"
 "\n"
 "Benutzung und Weiterverbreitung gemäß den Bedingungen der GNU General Public License"
 
diff --git a/po/es.po b/po/es.po
index 0e19b5eae..0471dd067 100644
--- a/po/es.po
+++ b/po/es.po
@@ -281,14 +281,14 @@ msgid ""
 "\n"
 "Gitk - a commit viewer for git\n"
 "\n"
-"Copyright © 2005-2008 Paul Mackerras\n"
+"Copyright \\u00a9 2005-2010 Paul Mackerras\n"
 "\n"
 "Use and redistribute under the terms of the GNU General Public License"
 msgstr ""
 "\n"
 "Gitk - un visualizador de revisiones para git\n"
 "\n"
-"Copyright © 2005-2008 Paul Mackerras\n"
+"Copyright \\u00a9 2005-2010 Paul Mackerras\n"
 "\n"
 "Uso y redistribución permitidos según los términos de la Licencia Pública "
 "General de GNU (GNU GPL)"
diff --git a/po/fr.po b/po/fr.po
index cb0e1edc6..5370ddc39 100644
--- a/po/fr.po
+++ b/po/fr.po
@@ -334,14 +334,14 @@ msgid ""
 "\n"
 "Gitk - a commit viewer for git\n"
 "\n"
-"Copyright © 2005-2008 Paul Mackerras\n"
+"Copyright \\u00a9 2005-2010 Paul Mackerras\n"
 "\n"
 "Use and redistribute under the terms of the GNU General Public License"
 msgstr ""
 "\n"
 "Gitk - visualisateur de commit pour git\n"
 "\n"
-"Copyright © 2005-2008 Paul Mackerras\n"
+"Copyright \\u00a9 2005-2010 Paul Mackerras\n"
 "\n"
 "Utilisation et redistribution soumises aux termes de la GNU General Public "
 "License"
diff --git a/po/hu.po b/po/hu.po
index 1df212e88..7262b610d 100644
--- a/po/hu.po
+++ b/po/hu.po
@@ -333,14 +333,14 @@ msgid ""
 "\n"
 "Gitk - a commit viewer for git\n"
 "\n"
-"Copyright ©9 2005-2009 Paul Mackerras\n"
+"Copyright \\u00a9 2005-2010 Paul Mackerras\n"
 "\n"
 "Use and redistribute under the terms of the GNU General Public License"
 msgstr ""
 "\n"
 "Gitk - commit nézegető a githez\n"
 "\n"
-"Szerzői jog ©9 2005-2009 Paul Mackerras\n"
+"Szerzői jog \\u00a9 2005-2010 Paul Mackerras\n"
 "\n"
 "Használd és terjeszd a GNU General Public License feltételei mellett"
 
diff --git a/po/it.po b/po/it.po
index 481865230..a730d63a4 100644
--- a/po/it.po
+++ b/po/it.po
@@ -334,14 +334,14 @@ msgid ""
 "\n"
 "Gitk - a commit viewer for git\n"
 "\n"
-"Copyright © 2005-2009 Paul Mackerras\n"
+"Copyright \\u00a9 2005-2010 Paul Mackerras\n"
 "\n"
 "Use and redistribute under the terms of the GNU General Public License"
 msgstr ""
 "\n"
 "Gitk - un visualizzatore di revisioni per git\n"
 "\n"
-"Copyright © 2005-2009 Paul Mackerras\n"
+"Copyright \\u00a9 2005-2010 Paul Mackerras\n"
 "\n"
 "Utilizzo e redistribuzione permessi sotto i termini della GNU General Public "
 "License"
diff --git a/po/ja.po b/po/ja.po
index c0c92addb..4f4705164 100644
--- a/po/ja.po
+++ b/po/ja.po
@@ -335,14 +335,14 @@ msgid ""
 "\n"
 "Gitk - a commit viewer for git\n"
 "\n"
-"Copyright © 2005-2008 Paul Mackerras\n"
+"Copyright \\u00a9 2005-2010 Paul Mackerras\n"
 "\n"
 "Use and redistribute under the terms of the GNU General Public License"
 msgstr ""
 "\n"
 "Gitk - gitコミットビューア\n"
 "\n"
-"Copyright © 2005-2008 Paul Mackerras\n"
+"Copyright \\u00a9 2005-2010 Paul Mackerras\n"
 "\n"
 "使用および再配布は GNU General Public License に従ってください"
 
diff --git a/po/ru.po b/po/ru.po
index 704eba8f9..c3d0285b2 100644
--- a/po/ru.po
+++ b/po/ru.po
@@ -313,14 +313,14 @@ msgid ""
 "\n"
 "Gitk - a commit viewer for git\n"
 "\n"
-"Copyright © 2005-2008 Paul Mackerras\n"
+"Copyright \\u00a9 2005-2010 Paul Mackerras\n"
 "\n"
 "Use and redistribute under the terms of the GNU General Public License"
 msgstr ""
 "\n"
 "Gitk - программа просмотра истории репозиториев Git\n"
 "\n"
-"Copyright (c) 2005-2008 Paul Mackerras\n"
+"Copyright \\u00a9 2005-2010 Paul Mackerras\n"
 "\n"
 "Использование и распространение согласно условиям GNU General Public License"
 
diff --git a/po/sv.po b/po/sv.po
index 0f5e2fd8d..386763ade 100644
--- a/po/sv.po
+++ b/po/sv.po
@@ -334,14 +334,14 @@ msgid ""
 "\n"
 "Gitk - a commit viewer for git\n"
 "\n"
-"Copyright ©9 2005-2009 Paul Mackerras\n"
+"Copyright \\u00a9 2005-2010 Paul Mackerras\n"
 "\n"
 "Use and redistribute under the terms of the GNU General Public License"
 msgstr ""
 "\n"
 "Gitk - en incheckningsvisare för git\n"
 "\n"
-"Copyright © 2005-2009 Paul Mackerras\n"
+"Copyright \\u00a9 2005-2010 Paul Mackerras\n"
 "\n"
 "Använd och vidareförmedla enligt villkoren i GNU General Public License"