diff --git a/src/ChangeLog b/src/ChangeLog
index 2fd3e76a02..76ed58e393 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2004-04-18  Jean-Marc Lasgouttes  <lasgouttes@lyx.org>
+
+	* LaTeX.C (runMakeIndex, runBibTeX): quote correctly file name
+	(bug 1526)
+
 2004-04-19  Angus Leeming  <leeming@lyx.org>
 
 	* BufferView_pimpl.C (setBuffer): changed preview interface.
diff --git a/src/LaTeX.C b/src/LaTeX.C
index 4a54f6e492..845fdc322d 100644
--- a/src/LaTeX.C
+++ b/src/LaTeX.C
@@ -404,7 +404,7 @@ bool LaTeX::runMakeIndex(string const & f)
 	// to be able to make style files from within LyX. This has
 	// to come for a later time.
 	string tmp = "makeindex -c -q ";
-	tmp += f;
+	tmp += QuoteName(f);
 	Systemcall one;
 	one.startscript(Systemcall::Wait, tmp);
 	return true;
@@ -528,7 +528,7 @@ bool LaTeX::runBibTeX(vector<Aux_Info> const & bibtex_info)
 		result = true;
 
 		string tmp = lyxrc.bibtex_command + " ";
-		tmp += OnlyFilename(ChangeExtension(it->aux_file, string()));
+		tmp += QuoteName(OnlyFilename(ChangeExtension(it->aux_file, string())));
 		Systemcall one;
 		one.startscript(Systemcall::Wait, tmp);
 	}