diff --git a/inc/define.php b/inc/define.php
index 7733e65..1fbb3f7 100644
--- a/inc/define.php
+++ b/inc/define.php
@@ -5,7 +5,7 @@
 }
 
 define('W3TC', true);
-define('W3TC_VERSION', '0.9.4.6');
+define('W3TC_VERSION', '0.9.4.6.1');
 define("W3TC_TESTED_ON_WP_VERSION", '4.7.1');
 define('W3TC_POWERED_BY', 'W3 Total Cache/' . W3TC_VERSION);
 define('W3TC_EMAIL', 'w3tc@w3-edge.com');
@@ -121,6 +121,29 @@ function w3_microtime() {
     return ((double) $usec + (double) $sec);
 }
 
+/**
+ * Returns the W3TC current version (4 digit limit for config reading)
+ *
+ * @return string
+ */
+function w3_current_version()
+ {
+ 	static $ver = null;
+ 	
+ 	if ($ver === null)
+ 	{
+        if (preg_match('/(\d+)\.(\d+)\.(\d+)\.(\d+)\.?(\d+)?/',W3TC_VERSION,$match)) {
+            array_shift($match);
+            if (count($match) == 5) array_pop($match);
+            $ver = implode(".",$match);
+        }
+        else {
+            $ver = W3TC_VERSION;
+        }
+    }
+    return $ver;
+}
+
 /**
  * Check if content is HTML or XML
  *
diff --git a/lib/W3/Config.php b/lib/W3/Config.php
index d6eb620..19c6b4c 100644
--- a/lib/W3/Config.php
+++ b/lib/W3/Config.php
@@ -262,14 +262,14 @@ private function _read($filename) {
             $config = @unserialize($content);
             if (is_array($config)) {
                 if (isset($config['version'])
-                        && $config['version'] == W3TC_VERSION) {
+                        && $config['version'] == w3_current_version()) {
                     return $config;
                 }
             }
         }
         return null;
     }
-    
+
     private function _flush_cache($forced_preview = null) {
         $this->_md5 = null;
         if ($this->_blog_id > 0)
diff --git a/lib/W3/ConfigData.php b/lib/W3/ConfigData.php
index d232751..f060182 100644
--- a/lib/W3/ConfigData.php
+++ b/lib/W3/ConfigData.php
@@ -31,7 +31,7 @@ class W3_ConfigData {
      * Constructor
      */
     function __construct($keys) {
-        $this->data = array('version' => W3TC_VERSION);
+        $this->data = array('version' => w3_current_version());
         $this->_keys = $keys;
         
         $this->_http_keys_map = array();
@@ -61,7 +61,7 @@ function resolve_http_key($http_key) {
      * Removes data
      */
     function clear() {
-      $this->data = array('version' => W3TC_VERSION);
+      $this->data = array('version' => w3_current_version());
     }
 
     /**
diff --git a/lib/W3/ConfigWriter.php b/lib/W3/ConfigWriter.php
index d59d8f8..4910edd 100644
--- a/lib/W3/ConfigWriter.php
+++ b/lib/W3/ConfigWriter.php
@@ -101,7 +101,7 @@ function create_compiled_config($cache_filename, $write = true) {
         // append data from blog config
         $config_admin = w3_instance('W3_ConfigAdmin');
         $data = W3_ConfigData::get_array_from_file($this->_get_config_filename());
-        if (isset($data['version']) && version_compare($data['version'], W3TC_VERSION, '<')) {
+        if (isset($data['version']) && version_compare($data['version'], w3_current_version(), '<')) {
             /**
              * @var W3_ConfigCompatibility $config_comp
              */