diff --git a/ChangeLog b/ChangeLog
index 755c16ff6f..c6693252fb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -4,6 +4,7 @@ phpMyAdmin - ChangeLog
 4.7.3 (not yet released)
 - issue #13447 Large multi-line query removes Export operation and blanks query box options
 - issue #13445 Fixed rendering of query results
+- issue #13437 Fixed version check when not connected to a database
 
 4.7.2 (2017-06-29)
 - issue #13314 Make theme selection keep current server
diff --git a/libraries/VersionInformation.php b/libraries/VersionInformation.php
index 960f9618ad..33a08659bd 100644
--- a/libraries/VersionInformation.php
+++ b/libraries/VersionInformation.php
@@ -217,12 +217,16 @@ class VersionInformation
     }
 
     /**
-     * Returns the MySQL version
+     * Returns the MySQL version if connected to a database
      *
      * @return string MySQL version
      */
     protected function getMySQLVersion()
     {
-        return PMA_MYSQL_STR_VERSION;
+        if (defined('PMA_MYSQL_STR_VERSION')) {
+            return PMA_MYSQL_STR_VERSION;
+        } else {
+            return null;
+        }
     }
 }