diff --git a/buffer/lang/cs/messages.po b/buffer/lang/cs/messages.po
index 63e753b0..e294425d 100644
--- a/buffer/lang/cs/messages.po
+++ b/buffer/lang/cs/messages.po
@@ -4,20 +4,21 @@
 # 
 # 
 # Translators:
-# Michal Šupler <msupler@gmail.com>, 2014
+# Lorem Ipsum <aditoo@seznam.cz>, 2018
+# michal_s <msupler@gmail.com>, 2014
 msgid ""
 msgstr ""
 "Project-Id-Version: friendica\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2014-06-22 13:18+0200\n"
-"PO-Revision-Date: 2014-07-07 18:27+0000\n"
-"Last-Translator: Michal Šupler <msupler@gmail.com>\n"
-"Language-Team: Czech (http://www.transifex.com/projects/p/friendica/language/cs/)\n"
+"PO-Revision-Date: 2018-06-09 09:15+0000\n"
+"Last-Translator: Lorem Ipsum <aditoo@seznam.cz>\n"
+"Language-Team: Czech (http://www.transifex.com/Friendica/friendica/language/cs/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: cs\n"
-"Plural-Forms: nplurals=3; plural=(n==1) ? 0 : (n>=2 && n<=4) ? 1 : 2;\n"
+"Plural-Forms: nplurals=4; plural=(n == 1 && n % 1 == 0) ? 0 : (n >= 2 && n <= 4 && n % 1 == 0) ? 1: (n % 1 != 0 ) ? 2 : 3;\n"
 
 #: buffer.php:31
 msgid "Permission denied."
@@ -61,7 +62,7 @@ msgstr "Přihlásit ke spojení na Buffer"
 
 #: buffer.php:146
 msgid "Enable Buffer Post Addon"
-msgstr "Povolit Buffer Post Addon"
+msgstr "Povolit doplněk Buffer Post"
 
 #: buffer.php:151
 msgid "Post to Buffer by default"
diff --git a/buffer/lang/cs/strings.php b/buffer/lang/cs/strings.php
index f6ecd1e3..a3e7a329 100644
--- a/buffer/lang/cs/strings.php
+++ b/buffer/lang/cs/strings.php
@@ -2,7 +2,8 @@
 
 if(! function_exists("string_plural_select_cs")) {
 function string_plural_select_cs($n){
-	return ($n==1) ? 0 : ($n>=2 && $n<=4) ? 1 : 2;;
+	$n = intval($n);
+	return ($n == 1 && $n % 1 == 0) ? 0 : ($n >= 2 && $n <= 4 && $n % 1 == 0) ? 1: ($n % 1 != 0 ) ? 2 : 3;;
 }}
 ;
 $a->strings["Permission denied."] = "Přístup odmítnut.";
@@ -15,7 +16,7 @@ $a->strings["return to the connector page"] = "návrat ke stránce konektor";
 $a->strings["Post to Buffer"] = "Příspěvek na Buffer";
 $a->strings["Buffer Export"] = "Buffer Export";
 $a->strings["Authenticate your Buffer connection"] = "Přihlásit ke spojení na Buffer";
-$a->strings["Enable Buffer Post Addon"] = "Povolit Buffer Post Addon";
+$a->strings["Enable Buffer Post Addon"] = "Povolit doplněk Buffer Post";
 $a->strings["Post to Buffer by default"] = "Defaultně zaslat na Buffer";
 $a->strings["Check to delete this preset"] = "Zaškrtnout pro smazání tohoto nastavení";
 $a->strings["Posts are going to all accounts that are enabled by default:"] = "Příspěvky jsou zasílány na všechny účty, které jsou defaultně povoleny:";