diff --git a/Makefile b/Makefile
index 491b8a05..0be3cd5f 100644
--- a/Makefile
+++ b/Makefile
@@ -40,7 +40,7 @@ mo:
 	for lang in ru de pl it; do \
 		mkdir -p locale/$${lang}/LC_MESSAGES; \
 		msgcat --use-first po/$${lang}_games.po po/$${lang}_pysol.po > po/$${lang}.po; \
-		msgfmt -o locale/$${lang}/LC_MESSAGES/pysol.mo po/$${lang}.po; \
+		msgfmt --check -o locale/$${lang}/LC_MESSAGES/pysol.mo po/$${lang}.po; \
 	done
 
 pretest:
diff --git a/po/de_games.po b/po/de_games.po
index 99657640..f93f73e0 100644
--- a/po/de_games.po
+++ b/po/de_games.po
@@ -1,20 +1,15 @@
 msgid ""
 msgstr ""
-"Project-Id-Version: PACKAGE VERSION\n"
+"Project-Id-Version: PySol 0.0.1\n"
 "POT-Creation-Date: Thu Jul 18 18:25:19 2019\n"
 "PO-Revision-Date: 2007-09-05 17:43+0400\n"
 "Last-Translator: H. Schaekel <Holger.Schaekel@web.de>\n"
 "Language-Team: German\n"
-"Language: \n"
+"Language: de\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"#-#-#-#-#  de_games.po (PySol 0.0.1)  #-#-#-#-#\n"
-"Generated-By: Holger Schaekel\n"
-"#-#-#-#-#  de_pysol.po (PACKAGE VERSION)  #-#-#-#-#\n"
-"Generated-By: Holger Schaekel\n"
-"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
-"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
 msgid " 3x3 Matrix"
 msgstr "3x3 Matrix"
diff --git a/po/de_pysol.po b/po/de_pysol.po
index 3397824f..7966f58e 100644
--- a/po/de_pysol.po
+++ b/po/de_pysol.po
@@ -1,21 +1,16 @@
 msgid ""
 msgstr ""
-"Project-Id-Version: PACKAGE VERSION\n"
+"Project-Id-Version: PySol 0.0.1\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2019-07-18 19:21+0300\n"
 "PO-Revision-Date: 2007-09-05 17:43+0400\n"
 "Last-Translator: H. Schaekel <Holger.Schaekel@web.de>\n"
 "Language-Team: German\n"
-"Language: \n"
+"Language: de\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"#-#-#-#-#  de_games.po (PySol 0.0.1)  #-#-#-#-#\n"
-"Generated-By: Holger Schaekel\n"
-"#-#-#-#-#  de_pysol.po (PACKAGE VERSION)  #-#-#-#-#\n"
-"Generated-By: Holger Schaekel\n"
-"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
-"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
 #: pysollib/actions.py:232 pysollib/kivy/toolbar.py:191
 #: pysollib/tile/toolbar.py:176 pysollib/tk/toolbar.py:176
@@ -1060,7 +1055,6 @@ msgid "%d card"
 msgid_plural "%d cards"
 msgstr[0] "%d Karte"
 msgstr[1] "%d Karten"
-msgstr[2] "%d Karten"
 
 #: pysollib/stack.py:1832 pysollib/games/larasgame.py:159
 #, python-format
@@ -1089,7 +1083,6 @@ msgid "%d readeal"
 msgid_plural "%d redeals"
 msgstr[0] "%d Wiederholung"
 msgstr[1] "%d Wiederholungen"
-msgstr[2] "%d Wiederholungen"
 
 #: pysollib/stack.py:1950
 msgid "Talon."
@@ -1818,7 +1811,6 @@ msgid_plural ""
 "for %d moves."
 msgstr[0] ""
 msgstr[1] ""
-msgstr[2] ""
 
 #: pysollib/game/__init__.py:1936 pysollib/game/__init__.py:1952
 #: pysollib/pysolgtk/soundoptionsdialog.py:71
@@ -1902,7 +1894,6 @@ msgid_plural ""
 "Game solved in %d moves.\n"
 msgstr[0] ""
 msgstr[1] ""
-msgstr[2] ""
 
 #: pysollib/game/__init__.py:2478 pysollib/game/__init__.py:2492
 #: pysollib/game/__init__.py:2506
@@ -3532,10 +3523,6 @@ msgstr[1] ""
 "%d frei\n"
 "passende\n"
 "Paare"
-msgstr[2] ""
-"%d frei\n"
-"passende\n"
-"Paare"
 
 #: pysollib/games/mahjongg/mahjongg.py:880
 #: pysollib/games/mahjongg/shisensho.py:415
@@ -3560,11 +3547,6 @@ msgstr[1] ""
 "Steine\n"
 "entfernt\n"
 "\n"
-msgstr[2] ""
-"%d\n"
-"Steine\n"
-"entfernt\n"
-"\n"
 
 #: pysollib/games/mahjongg/mahjongg.py:883
 #: pysollib/games/mahjongg/shisensho.py:418
@@ -3589,11 +3571,6 @@ msgstr[1] ""
 "Steine\n"
 "verbleibend\n"
 "\n"
-msgstr[2] ""
-"%d\n"
-"Steine\n"
-"verbleibend\n"
-"\n"
 
 #: pysollib/games/special/memory.py:170 pysollib/games/special/poker.py:185
 #, python-format
@@ -4559,7 +4536,6 @@ msgid "This game can be hinted in %d move."
 msgid_plural "This game can be hinted in %d moves."
 msgstr[0] ""
 msgstr[1] ""
-msgstr[2] ""
 
 #: pysollib/ui/tktile/solverdialog.py:189
 #, python-format
@@ -4567,7 +4543,6 @@ msgid "This game is solvable in %d move."
 msgid_plural "This game is solvable in %d moves."
 msgstr[0] ""
 msgstr[1] ""
-msgstr[2] ""
 
 #: pysollib/ui/tktile/solverdialog.py:197
 msgid "I could not solve this game."
diff --git a/po/it_games.po b/po/it_games.po
index fbfcc0ed..b2c07524 100644
--- a/po/it_games.po
+++ b/po/it_games.po
@@ -9,11 +9,12 @@ msgstr ""
 "PO-Revision-Date: 2011-05-12 18:46+0200\n"
 "Last-Translator: Giuliano Colla <giuliano.colla@gmail.com>\n"
 "Language-Team: Italiano <it@li.org>\n"
-"Language: \n"
+"Language: it\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Generated-By: ./scripts/all_games.py 0.1\n"
+"Plural-Forms:  nplurals=2; plural=(n != 1);\n"
 "X-Generator: KBabel 1.11.4\n"
 
 msgid " 3x3 Matrix"
diff --git a/po/ru_games.po b/po/ru_games.po
index 1dc79990..c362b5be 100644
--- a/po/ru_games.po
+++ b/po/ru_games.po
@@ -14,6 +14,8 @@ msgstr ""
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: utf-8\n"
 "Generated-By: ./scripts/all_games.py 0.1\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
 
 msgid " 3x3 Matrix"
 msgstr "Матрица 3x3"