diff --git a/ChangeLog b/ChangeLog
index ec661c7278..d0c4bb5825 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -32,6 +32,7 @@ phpMyAdmin - ChangeLog
 - issue #13234 Properly report not working sessions
 - issue #13256 Fixed password check on server replication
 - issue #13252 Fixed grid editing time column
+- issue #13258 Fixed detection of Amazon RDS
 
 4.7.0 (2017-03-28)
 - patch #12233 [Display] Improve message when renaming database to same name
diff --git a/libraries/DatabaseInterface.php b/libraries/DatabaseInterface.php
index 5d7341f049..4a67a79dc1 100644
--- a/libraries/DatabaseInterface.php
+++ b/libraries/DatabaseInterface.php
@@ -2767,8 +2767,8 @@ class DatabaseInterface
             return Util::cacheGet('is_amazon_rds');
         }
         $sql = 'SELECT @@basedir';
-        $result = $this->fetchResult($sql);
-        $rds = ($result[0] == '/rdsdbbin/mysql/');
+        $result = $this->fetchValue($sql);
+        $rds = (substr($result, 0, 10) == '/rdsdbbin/');
         Util::cacheSet('is_amazon_rds', $rds);
 
         return $rds;
diff --git a/test/classes/DatabaseInterfaceTest.php b/test/classes/DatabaseInterfaceTest.php
index 0f7f4223c2..99c4b7aadb 100644
--- a/test/classes/DatabaseInterfaceTest.php
+++ b/test/classes/DatabaseInterfaceTest.php
@@ -376,6 +376,43 @@ class DatabaseInterfaceTest extends PMATestCase
         );
     }
 
+    /**
+     * Tests for DBI::isAmazonRds() method.
+     *
+     * @return void
+     * @test
+     * @dataProvider isAmazonRdsData
+     */
+    public function atestIsAmazonRdsData($value, $expected)
+    {
+        Util::cacheUnset('is_amazon_rds');
+
+        $extension = new PMA\libraries\dbi\DBIDummy();
+        $extension->setResult('SELECT @@basedir', $value);
+
+        $dbi = new PMA\libraries\DatabaseInterface($extension);
+
+        $this->assertEquals(
+            $expected,
+            $dbi->isAmazonRds()
+        );
+    }
+
+    /**
+     * Data provider for isAmazonRds() tests.
+     *
+     * @return array
+     */
+    public function isAmazonRdsData()
+    {
+        return array(
+            array(array(array('/usr')), false),
+            array(array(array('E:/mysql')), false),
+            array(array(array('/rdsdbbin/mysql/')), true),
+            array(array(array('/rdsdbbin/mysql-5.7.18/')), true),
+        );
+    }
+
     /**
      * Test for version parsing
      *