diff --git a/ChangeLog b/ChangeLog
index 89db739e45..0c51aa007e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -75,6 +75,7 @@ phpMyAdmin - ChangeLog
 4.4.11.0 (not yet released)
 - bug       Missing selected/entered values when editing active options in visual query builder
 - bug #4969 Autoload from prefs_storage not behaving properly
+- bug #4972 Incorrect length computed for binary data
 
 4.4.10.0 (2015-06-17)
 - bug #4950 Issues in database selection for replication
diff --git a/libraries/DisplayResults.class.php b/libraries/DisplayResults.class.php
index 45066b6ae8..ccca59e152 100644
--- a/libraries/DisplayResults.class.php
+++ b/libraries/DisplayResults.class.php
@@ -5221,7 +5221,7 @@ class PMA_DisplayResults
 
         if (isset($content)) {
 
-            $size = /*overload*/mb_strlen($content);
+            $size = /*overload*/mb_strlen($content, '8bit');
             $display_size = PMA_Util::formatByteDown($size, 3, 1);
             $result .= ' - ' . $display_size[0] . ' ' . $display_size[1];
 
diff --git a/tbl_get_field.php b/tbl_get_field.php
index c0d6dd3d71..5c09cdea97 100644
--- a/tbl_get_field.php
+++ b/tbl_get_field.php
@@ -49,6 +49,6 @@ if ($result === false) {
 PMA_downloadHeader(
     $table . '-' .  $_GET['transform_key'] . '.bin',
     PMA_detectMIME($result),
-    /*overload*/mb_strlen($result)
+    /*overload*/mb_strlen($result, '8bit')
 );
 echo $result;