diff --git a/po/POTFILES.in b/po/POTFILES.in
index b7c033739..f5977772e 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -110,6 +110,7 @@ gio/gsocketconnection.c
 gio/gsocketinputstream.c
 gio/gsocketlistener.c
 gio/gsocketoutputstream.c
+gio/gsocketservice.c
 gio/gsocks4aproxy.c
 gio/gsocks5proxy.c
 gio/gsubprocess.c