diff --git a/xespdtitle.sty b/xespdtitle.sty
index 2579251..777c5a4 100644
--- a/xespdtitle.sty
+++ b/xespdtitle.sty
@@ -135,7 +135,7 @@
   \par\vspace{10mm \@plus 2mm \@minus 4mm}\noindent
   \parbox[c][.30\vsize][t]{\hsize}{%
     \ifthenelse{\equal{\XESPDtheTitleFieldIV}{}}{}
-	{\begin{center}\XESPDtitleFontIV\XESPDtheTitleFieldIV\end{center}}
+    {\begin{center}\XESPDtitleFontIV\XESPDtheTitleFieldIV\end{center}}
     \ifthenelse{\equal{\XESPDtheTitleFieldV}{}}{}
     {\begin{center}\XESPDtitleFontV\XESPDtheTitleFieldV\end{center}}
     \ifthenelse{\equal{\XESPDtheTitleFieldVI}{}}{}