diff --git a/fpdi.php b/fpdi.php
index cb9eb23..2d1427b 100644
--- a/fpdi.php
+++ b/fpdi.php
@@ -130,8 +130,8 @@ protected function _getPdfParser($filename)
      */
     public function getPdfVersion()
     {
-		return $this->PDFVersion;
-	}
+        return $this->PDFVersion;
+    }
     
     /**
      * Set the PDF version.