diff --git a/ce/04_template_files.sh b/ce/04_template_files.sh
index 3b9b41a..4b517a9 100755
--- a/ce/04_template_files.sh
+++ b/ce/04_template_files.sh
@@ -3,7 +3,7 @@
 i=1
 
 tmpfile=$(mktemp)
-find /etc/ngcp-config/templates/ -type f -print0 |xargs -0 dpkg -S >/dev/null 2>"$tmpfile"
+find /etc/ngcp-config/templates/ -type f ! -iname "*.dpkg-*" -name *.tt2 -print0 |xargs -0 dpkg -S >/dev/null 2>"$tmpfile"
 
 if ! [ -s "$tmpfile" ] ; then
   echo "1..1"