diff --git a/x3270.spec b/x3270.spec
index a3c15be..8216e26 100644
--- a/x3270.spec
+++ b/x3270.spec
@@ -156,7 +156,7 @@ chmod -x Examples/*
 rm -rf $RPM_BUILD_ROOT
 
 %post x11
-cd %{_datadir}/fonts/x3270 && %{_prefix}/X11R6/bin/mkfontdir
+cd %{_datadir}/fonts/x3270 && %{_prefix}/bin/mkfontdir
 /usr/sbin/chkfontpath -a /usr/share/fonts/x3270
 touch --no-create %{_datadir}/icons/hicolor
 if [ -x /usr/bin/gtk-update-icon-cache ]; then
@@ -165,7 +165,7 @@ fi
 
 %postun x11
 if [ "$1" = "0" ]; then
-  cd %{_datadir}/fonts/x3270 && %{_prefix}/X11R6/bin/mkfontdir
+  cd %{_datadir}/fonts/x3270 && %{_prefix}/bin/mkfontdir
   /usr/sbin/chkfontpath -r /usr/share/fonts/x3270
 fi
 touch --no-create %{_datadir}/icons/hicolor