diff --git a/framework/CHANGELOG.md b/framework/CHANGELOG.md
index c8bac20b8c..8029a4ce3c 100644
--- a/framework/CHANGELOG.md
+++ b/framework/CHANGELOG.md
@@ -32,6 +32,7 @@ Yii Framework 2 Change Log
 - Bug #11735: Fixed `yii\web\UploadedFile` to return `null` when there's no file uploaded (brummm)
 - Bug #11774: Fixed incorrect recusuive symlinks check in FileHelper (AnikanovD)
 - Bug #11739: Fixed `ArrayHelper::index()` losing precision for float keys (AnikanovD)
+- Bug #11549: Fixed `ArrayHelper::getValue()` to work properly with float keys (zsounder, AnikanovD)
 
 2.0.8 April 28, 2016
 --------------------
diff --git a/framework/helpers/BaseArrayHelper.php b/framework/helpers/BaseArrayHelper.php
index 225479372e..ea0fb62e75 100644
--- a/framework/helpers/BaseArrayHelper.php
+++ b/framework/helpers/BaseArrayHelper.php
@@ -189,7 +189,7 @@ class BaseArrayHelper
             $key = $lastKey;
         }
 
-        if (is_array($array) && array_key_exists($key, $array)) {
+        if (is_array($array) && (isset($array[$key]) || array_key_exists($key, $array)) ) {
             return $array[$key];
         }
 
@@ -203,7 +203,7 @@ class BaseArrayHelper
             // it is not reliably possible to check whether a property is accessable beforehand
             return $array->$key;
         } elseif (is_array($array)) {
-            return array_key_exists($key, $array) ? $array[$key] : $default;
+            return (isset($array[$key]) || array_key_exists($key, $array)) ? $array[$key] : $default;
         } else {
             return $default;
         }