diff --git a/cdrskin/add_ts_changes_to_libburn_0_3_2 b/cdrskin/add_ts_changes_to_libburn_0_3_2
index 969dea5..8250109 100755
--- a/cdrskin/add_ts_changes_to_libburn_0_3_2
+++ b/cdrskin/add_ts_changes_to_libburn_0_3_2
@@ -201,11 +201,11 @@ tar czf "$cdrskin_tarball" "$target"
  cd "$compile_dir" || exit 1
  ./configure
  make
- "$compile_cmd" -do_strip
+ "$compile_cmd" -O2 -do_strip
  cp "$compile_result" "../$bintarget_dynamic"
  if test -n "$compile_static_opts"
  then
-   "$compile_cmd" $compile_static_opts -do_strip
+   "$compile_cmd" $compile_static_opts -O2 -do_strip
    cp "$compile_result" "../$bintarget_static"
  fi
  "$man_to_html_cmd"
diff --git a/cdrskin/add_ts_changes_to_libburn_0_3_3 b/cdrskin/add_ts_changes_to_libburn_0_3_3
index 932ed57..acaf8ed 100755
--- a/cdrskin/add_ts_changes_to_libburn_0_3_3
+++ b/cdrskin/add_ts_changes_to_libburn_0_3_3
@@ -201,11 +201,11 @@ tar czf "$cdrskin_tarball" "$target"
  cd "$compile_dir" || exit 1
  ./configure
  make
- "$compile_cmd" -do_strip
+ "$compile_cmd" -O2 -do_strip
  cp "$compile_result" "../$bintarget_dynamic"
  if test -n "$compile_static_opts"
  then
-   "$compile_cmd" $compile_static_opts -do_strip
+   "$compile_cmd" $compile_static_opts -O2 -do_strip
    cp "$compile_result" "../$bintarget_static"
  fi
  "$man_to_html_cmd"