diff --git a/framework/CHANGELOG.md b/framework/CHANGELOG.md
index bc4d333..e5ba480 100644
--- a/framework/CHANGELOG.md
+++ b/framework/CHANGELOG.md
@@ -4,7 +4,7 @@ Yii Framework 2 Change Log
 2.0.14 under development
 ------------------------
 
-- no changes in this release.
+- Bug #14276: Fixed I18N format with dotted parameters (developeruz)
 
 
 2.0.13.1 November 14, 2017
diff --git a/framework/i18n/I18N.php b/framework/i18n/I18N.php
index 4b6bd69..49cf93b 100644
--- a/framework/i18n/I18N.php
+++ b/framework/i18n/I18N.php
@@ -110,7 +110,7 @@ class I18N extends Component
             return $message;
         }
 
-        if (preg_match('~{\s*[\w]+\s*,~u', $message)) {
+        if (preg_match('~{\s*[\w.]+\s*,~u', $message)) {
             $formatter = $this->getMessageFormatter();
             $result = $formatter->format($message, $params, $language);
             if ($result === false) {
diff --git a/tests/framework/i18n/I18NTest.php b/tests/framework/i18n/I18NTest.php
index a57c21a..2b28143 100644
--- a/tests/framework/i18n/I18NTest.php
+++ b/tests/framework/i18n/I18NTest.php
@@ -275,4 +275,13 @@ class I18NTest extends TestCase
         $message = 'Incorrect password (length must be from {min, number} to {max, number} symbols).';
         $this->assertEquals($message, $this->i18n->format($message, ['attribute' => 'password'], 'en'));
     }
+
+    public function testFormatMessageWithDottedParameters()
+    {
+        $message = 'date: {dt.test}';
+        $this->assertEquals('date: 1510147434', $this->i18n->format($message, ['dt.test' => 1510147434], 'en'));
+
+        $message = 'date: {dt.test,date}';
+        $this->assertEquals('date: Nov 8, 2017', $this->i18n->format($message, ['dt.test' => 1510147434], 'en'));
+    }
 }