diff --git a/RelativePath.Example1.php b/RelativePath.Example1.php
index 323b45f..f120ef3 100644
--- a/RelativePath.Example1.php
+++ b/RelativePath.Example1.php
@@ -15,7 +15,8 @@
 	"../../../home/./John Doe/work/site/test/../../www/Project.1/" . "/../Project.2/index.html",
 	"./././../../../../../../../../../home/./John Doe/work/site/test/../../www/Project.1" . "/" . "../Project.2/index.html",
 	"../../home/../../../John Doe/work/site/test/../../www/Project.1" . "/" . "../Project.2/index.html/../",
-	"/media/Projects/www/test/images/../../home/../../../John Doe/work/site/test.2/../../www/Project.1");
+	"/media/Projects/www/test/images/../../home/../../../John Doe/work/site/test.2/../../www/Project.1",
+	"c:\\Windows\\..\\Temp\\tempfile.txt");
 }
 
 /**
diff --git a/RelativePath.php b/RelativePath.php
index 6d9ebdb..021df06 100644
--- a/RelativePath.php
+++ b/RelativePath.php
@@ -57,7 +57,7 @@ public static function getRelativePath($path) {
         if (empty($dirs[0])) {
             $root = "/";
             $dirs = array_splice($dirs, 1);
-        } else if (preg_match("#[A-Za-z]:#", $dirs[0])) {
+        } else if (preg_match("#^[A-Za-z]:$#", $dirs[0])) {
             $root = strtoupper($dirs[0]) . "/";
             $dirs = array_splice($dirs, 1);
         } 
@@ -83,4 +83,4 @@ public static function getRelativePath($path) {
         } 
         return $root . implode("/", array_slice($newDirs, 0, $offset));
     }
-}
\ No newline at end of file
+}