diff --git a/po/POTFILES.in b/po/POTFILES.in
index 2905d45..47a9130 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -2,3 +2,4 @@
 # Please keep this file sorted alphabetically.
 [encoding: UTF-8]
 src/lightdm-webkit2-greeter.c
+src/lightdm-webkit2-greeter-ext.c