--- src/gui/mainFrame.cpp
+++ src/gui/mainFrame.cpp
@@ -2904,9 +2904,9 @@ void MainWindowFrame::OnHelpHelp(wxCommandEvent &event)
 	string s;
 	s=locateDataFile("3Depict-manual.pdf");
 
-	//Also Debian makes us use the lowercase "D", so check there too.
-	if(!s.size())
-		s=locateDataFile("3depict-manual.pdf");
+	//Also Fedora has diff dir
+	if(!wxFileExists(s))
+		s="/usr/share/doc/3Depict-0.0.8/3Depict-0.0.8-manual.pdf";
 
 	//FIXME: under windows, currently we use "manual.pdf"
 	if(!s.size())