diff --git a/README b/README
index 8dca8a7..3bf8d4f 100644
--- a/README
+++ b/README
@@ -15,11 +15,13 @@ How to use:
 
 	sh replace.sh
 
+
 Licensed under the GPL version 3 or later:
 http://www.gnu.org/licenses/gpl.txt
 
-Regards,
-Pau Iglesias
 
-Blogestudio
-http://blogestudio.com/
+===========
+
+Fixes by rysi3k:
+- preg_replace modifier "e" is deprecated since PHP 5.5, so replaced with preg_replace_callback
+- removed dirname(__FILE__) in file path allows to use relative paths for script and sql file
diff --git a/fix-serialization.php b/fix-serialization.php
index 2795801..acad721 100755
--- a/fix-serialization.php
+++ b/fix-serialization.php
@@ -1,6 +1,5 @@
 #!/usr/bin/php
 <?php
-
 /*
 * Blogestudio Fix Serialization	1.2
 * Fixer script of length attributes for serialized strings (e.g. Wordpress databases)
@@ -65,7 +64,7 @@ function unescape_quotes($value) {
 } else {
 	
 	// Compose path from argument
-	$path = dirname(__FILE__).'/'.$argv[1];
+	$path = $argv[1];  // removed dirname allows to use relative paths when script called from other working directory
 	if (!file_exists($path)) {
 	
 		// Error
@@ -109,7 +108,10 @@ function unescape_quotes($value) {
 				$do_preg_replace = true;
 
 				// Replace serialized string values
-				$data = preg_replace('!s:(\d+):([\\\\]?"[\\\\]?"|[\\\\]?"((.*?)[^\\\\])[\\\\]?");!e', "'s:'.strlen(unescape_mysql('$3')).':\"'.unescape_quotes('$3').'\";'", $data);
+				$data = preg_replace_callback('!s:(\d+):([\\\\]?"[\\\\]?"|[\\\\]?"((.*?)[^\\\\])[\\\\]?");!', function($m) {
+					if(empty($m[3])) return $m[0]; //dont change anything when no string has 0 chars
+    					return 's:'.strlen(unescape_mysql($m[3])).':"'.unescape_quotes($m[3]).'";';
+				}, $data);
 			}
 
 			// Close file
@@ -158,4 +160,4 @@ function unescape_quotes($value) {
 
 
 
-?>
\ No newline at end of file
+?>