diff --git a/po/POTFILES.in b/po/POTFILES.in
index 221570cea..5bba9aba0 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -101,6 +101,7 @@ gio/glocalfilemonitor.c
 gio/glocalfileoutputstream.c
 gio/glocalvfs.c
 gio/gmemoryinputstream.c
+gio/gmemorymonitor.c
 gio/gmemoryoutputstream.c
 gio/gmenumodel.c
 gio/gmount.c