diff --git a/po/POTFILES.in b/po/POTFILES.in
index e9ae2a7e6..c00a18fe7 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -55,6 +55,7 @@ js/ui/viewSelector.js
 js/ui/wanda.js
 js/ui/windowAttentionHandler.js
 src/calendar-server/evolution-calendar.desktop.in.in
+# Please do not remove this file from POTFILES.in. Run "git submodule init && git submodule update" to get it.
 src/gvc/gvc-mixer-control.c
 src/main.c
 src/shell-app.c