diff --git a/kde-tde/convert_existing_kde3_app_to_tde b/kde-tde/convert_existing_kde3_app_to_tde
index 982e7c1..00c9ce4 100755
--- a/kde-tde/convert_existing_kde3_app_to_tde
+++ b/kde-tde/convert_existing_kde3_app_to_tde
@@ -491,6 +491,14 @@ xargs -r0 sed -ri \
 
 # Convert desktop files
 find ./ -type f -iname "*.desktop" -not -iwholename '*.git*' -exec sed -i '/^Keyword/ { s,\,,;,g }' {} \;
+find ./ -type f -iname "*.desktop" -not -iwholename '*.git*' -exec sed -i 's/^ServiceTypes=/X-TDE-ServiceTypes=/g' {} \;
+find ./ -type f -iname "*.desktop" -not -iwholename '*.git*' -exec sed -i 's/^ServiceTypes\[\(.*\)\]=/X-TDE-ServiceTypes\[\1\]=/g' {} \;
+find ./ -type f -iname "*.desktop" -not -iwholename '*.git*' -exec sed -i 's/^ExcludeServiceTypes=/X-TDE-ExcludeServiceTypes=/g' {} \;
+find ./ -type f -iname "*.desktop" -not -iwholename '*.git*' -exec sed -i 's/^ExcludeServiceTypes\[\(.*\)\]=/X-TDE-ExcludeServiceTypes\[\1\]=/g' {} \;
+find ./ -type f -iname "*.desktop" -not -iwholename '*.git*' -exec sed -i 's/^DocPath=/X-DocPath=/g' {} \;
+find ./ -type f -iname "*.desktop" -not -iwholename '*.git*' -exec sed -i 's/^DocPath\[\(.*\)\]=/X-DocPath\[\1\]=/g' {} \;
+find ./ -type f -iname "*.desktop" -not -iwholename '*.git*' -exec sed -i 's/^InitialPreference=/X-TDE-InitialPreference=/g' {} \;
+find ./ -type f -iname "*.desktop" -not -iwholename '*.git*' -exec sed -i 's/^InitialPreference\[\(.*\)\]=/X-TDE-InitialPreference\[\1\]=/g' {} \;
 
 # Rename files
 find . -name "kio_*" | while read f; do mv "${f}" "${f/kio_/tdeio_}"; done