diff --git a/po/POTFILES.in b/po/POTFILES.in
new file mode 100644
index 0000000..c57c949
--- /dev/null
+++ b/po/POTFILES.in
@@ -0,0 +1,2 @@
+# List of source files which contain translatable strings.
+src/usr/bin/diffuse.py.in