diff --git a/application/helpers/surveytranslator_helper.php b/application/helpers/surveytranslator_helper.php
index 1d40cb09309..76595ce3d4c 100644
--- a/application/helpers/surveytranslator_helper.php
+++ b/application/helpers/surveytranslator_helper.php
@@ -175,6 +175,14 @@ function getLanguageData($bOrderByNative=false,$sLanguageCode='en') {
         $supportedLanguages['cs']['dateformat'] = 4;
         $supportedLanguages['cs']['radixpoint'] = 1;
 
+        // Czech informal
+        $supportedLanguages['cs-informal']['description'] = $clang->gT('Czech Informal');
+        $supportedLanguages['cs-informal']['nativedescription'] = 'Česky neformální';
+        $supportedLanguages['cs-informal']['rtl'] = false;
+        $supportedLanguages['cs-informal']['dateformat'] = 4;
+        $supportedLanguages['cs-informal']['radixpoint'] = 1;
+        
+        
         // Danish
         $supportedLanguages['da']['description'] = $clang->gT('Danish');
         $supportedLanguages['da']['nativedescription'] = 'Dansk';
diff --git a/locale/cs-informal/LC_MESSAGES/cs-informal.mo b/locale/cs-informal/LC_MESSAGES/cs-informal.mo
new file mode 100644
index 00000000000..3366dd21d6b
Binary files /dev/null and b/locale/cs-informal/LC_MESSAGES/cs-informal.mo differ
diff --git a/locale/cs-informal/LC_MESSAGES/index.html b/locale/cs-informal/LC_MESSAGES/index.html
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/locale/cs-informal/index.html b/locale/cs-informal/index.html
new file mode 100644
index 00000000000..e69de29bb2d