diff --git a/tcpdf.php b/tcpdf.php
index a1b4c1c..cc231da 100644
--- a/tcpdf.php
+++ b/tcpdf.php
@@ -1960,7 +1960,7 @@ class TCPDF {
 		// set default JPEG quality
 		$this->jpeg_quality = 75;
 		// initialize some settings
-		TCPDF_FONTS::utf8Bidi(array(''), '', false, $this->isunicode, $this->CurrentFont);
+		TCPDF_FONTS::utf8Bidi(array(), '', false, $this->isunicode, $this->CurrentFont);
 		// set default font
 		$this->SetFont($this->FontFamily, $this->FontStyle, $this->FontSizePt);
 		$this->setHeaderFont(array($this->FontFamily, $this->FontStyle, $this->FontSizePt));