diff --git a/.gitignore b/.gitignore
index d7ebcaf366..15f96aad5e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /GIT-TCLTK-VARS
 /gitk-wish
+po/gitk.pot
diff --git a/Makefile b/Makefile
index dda9c2a456..41116d8a14 100644
--- a/Makefile
+++ b/Makefile
@@ -68,7 +68,7 @@ gitk-wish: gitk GIT-TCLTK-VARS
 	$(SHELL_PATH) ./generate-tcl.sh "$(TCLTK_PATH_SQ)" "$<" "$@"
 
 $(PO_TEMPLATE): gitk
-	$(XGETTEXT) -kmc -LTcl -o $@ gitk
+	$(XGETTEXT) -kmc -LTcl --package-name=Gitk -o $@ gitk
 update-po:: $(PO_TEMPLATE)
 	$(foreach p, $(ALL_POFILES), echo Updating $p ; msgmerge -U --add-location $p $(PO_TEMPLATE) ; )
 	@echo "Before committing changes, ensure that a clean-filter is installed:"; \
diff --git a/po/bg.po b/po/bg.po
index d1e7d92425..e7e2f87321 100644
--- a/po/bg.po
+++ b/po/bg.po
@@ -6,7 +6,7 @@
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: gitk master\n"
+"Project-Id-Version: Gitk master\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2025-07-22 18:34+0200\n"
 "PO-Revision-Date: 2025-07-28 13:38+0200\n"
diff --git a/po/ca.po b/po/ca.po
index 174f1ea653..d588d0990f 100644
--- a/po/ca.po
+++ b/po/ca.po
@@ -6,7 +6,7 @@
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: gitk\n"
+"Project-Id-Version: Gitk\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2015-05-17 14:32+1000\n"
 "PO-Revision-Date: 2015-10-05 22:23-0600\n"
diff --git a/po/de.po b/po/de.po
index b546f60787..fea18fa16e 100644
--- a/po/de.po
+++ b/po/de.po
@@ -6,7 +6,7 @@
 # Frederik Schwarzer <schwarzerf@gmail.com>, 2008.
 msgid ""
 msgstr ""
-"Project-Id-Version: git-gui\n"
+"Project-Id-Version: Gitk\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2015-05-17 14:32+1000\n"
 "PO-Revision-Date: 2015-10-20 14:20+0200\n"
diff --git a/po/es.po b/po/es.po
index 58b2504b07..25260c6571 100644
--- a/po/es.po
+++ b/po/es.po
@@ -6,7 +6,7 @@
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: gitk\n"
+"Project-Id-Version: Gitk\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2015-05-17 14:32+1000\n"
 "PO-Revision-Date: 2008-03-25 11:20+0100\n"
diff --git a/po/fr.po b/po/fr.po
index dc31b70921..f1c54b6b6a 100644
--- a/po/fr.po
+++ b/po/fr.po
@@ -6,7 +6,7 @@
 # Jean-Noël Avila <jn.avila@free.fr>
 msgid ""
 msgstr ""
-"Project-Id-Version: gitk\n"
+"Project-Id-Version: Gitk\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2016-01-22 22:04+0100\n"
 "PO-Revision-Date: 2016-01-22 23:28+0100\n"
diff --git a/po/hu.po b/po/hu.po
index 2170b45b57..9ab3f9617d 100644
--- a/po/hu.po
+++ b/po/hu.po
@@ -6,7 +6,7 @@
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: git-gui\n"
+"Project-Id-Version: Gitk\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2015-05-17 14:32+1000\n"
 "PO-Revision-Date: 2009-12-14 14:04+0100\n"
diff --git a/po/it.po b/po/it.po
index fa7f2850d2..aa34a34280 100644
--- a/po/it.po
+++ b/po/it.po
@@ -6,7 +6,7 @@
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: gitk\n"
+"Project-Id-Version: Gitk\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2015-05-17 14:32+1000\n"
 "PO-Revision-Date: 2010-01-28 18:41+0100\n"
diff --git a/po/ja.po b/po/ja.po
index 0f6d0b7fd6..2c40b76dc0 100644
--- a/po/ja.po
+++ b/po/ja.po
@@ -8,7 +8,7 @@
 # Satoshi Yasushima <s.yasushima@gmail.com>, 2016.
 msgid ""
 msgstr ""
-"Project-Id-Version: gitk\n"
+"Project-Id-Version: Gitk\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2015-05-17 14:32+1000\n"
 "PO-Revision-Date: 2015-11-12 13:00+0900\n"
diff --git a/po/pt_br.po b/po/pt_br.po
index 2644be7e5b..e78fb26a2e 100644
--- a/po/pt_br.po
+++ b/po/pt_br.po
@@ -7,7 +7,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: gitk\n"
+"Project-Id-Version: Gitk\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2015-05-17 14:32+1000\n"
 "PO-Revision-Date: 2010-12-06 23:39-0200\n"
diff --git a/po/pt_pt.po b/po/pt_pt.po
index 3d38272444..66d3159d47 100644
--- a/po/pt_pt.po
+++ b/po/pt_pt.po
@@ -4,7 +4,7 @@
 # Vasco Almeida <vascomalmeida@sapo.pt>, 2016.
 msgid ""
 msgstr ""
-"Project-Id-Version: gitk\n"
+"Project-Id-Version: Gitk\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2016-04-15 16:52+0000\n"
 "PO-Revision-Date: 2016-05-06 15:35+0000\n"
diff --git a/po/ru.po b/po/ru.po
index fd709ca426..e102fb7200 100644
--- a/po/ru.po
+++ b/po/ru.po
@@ -8,7 +8,7 @@
 # Skip <bsvskip@rambler.ru>, 2011
 msgid ""
 msgstr ""
-"Project-Id-Version: Git Russian Localization Project\n"
+"Project-Id-Version: Gitk Russian Localization Project\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2016-12-15 00:18+0200\n"
 "PO-Revision-Date: 2016-12-14 22:23+0000\n"
diff --git a/po/sv.po b/po/sv.po
index 0744eb9363..c9290625c0 100644
--- a/po/sv.po
+++ b/po/sv.po
@@ -7,7 +7,7 @@
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: sv\n"
+"Project-Id-Version: Gitk\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2023-10-26 21:39+0100\n"
 "PO-Revision-Date: 2023-10-26 21:42+0100\n"
diff --git a/po/ta.po b/po/ta.po
index 89afebf1e6..9b9176a4aa 100644
--- a/po/ta.po
+++ b/po/ta.po
@@ -6,7 +6,7 @@
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: gitk\n"
+"Project-Id-Version: Gitk\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2025-05-07 08:01+0530\n"
 "PO-Revision-Date: 2025-05-07 09:17\n"
diff --git a/po/vi.po b/po/vi.po
index c12a7dff77..52c9d09a09 100644
--- a/po/vi.po
+++ b/po/vi.po
@@ -5,7 +5,7 @@
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: gitk @@GIT_VERSION@@\n"
+"Project-Id-Version: Gitk @@GIT_VERSION@@\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2015-05-17 14:32+1000\n"
 "PO-Revision-Date: 2015-09-15 07:33+0700\n"
diff --git a/po/zh_cn.po b/po/zh_cn.po
index a2a794a97c..71a9878318 100644
--- a/po/zh_cn.po
+++ b/po/zh_cn.po
@@ -4,7 +4,7 @@
 # YanKe <imyanke@163.com>, 2017
 msgid ""
 msgstr ""
-"Project-Id-Version: Git Chinese Localization Project\n"
+"Project-Id-Version: Gitk Chinese Localization Project\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2017-02-28 23:11+0800\n"
 "PO-Revision-Date: 2017-03-11 02:27+0800\n"