diff --git a/docs/signals.txt b/docs/signals.txt
index 81a1e3fa..5cfc2261 100644
--- a/docs/signals.txt
+++ b/docs/signals.txt
@@ -363,6 +363,9 @@ textbuffer-view.c
 textbuffer-formats.c
  "gui render line text", TEXT_DEST_REC, GString *str, LINE_INFO_META_REC
 
+textbuffer-commands.c
+ "window hidelevel changed", WINDOW_REC
+
 Perl
 ----
 
diff --git a/src/fe-text/textbuffer-commands.c b/src/fe-text/textbuffer-commands.c
index 3d1d963b..36edf856 100644
--- a/src/fe-text/textbuffer-commands.c
+++ b/src/fe-text/textbuffer-commands.c
@@ -110,6 +110,8 @@ static void cmd_window_hidelevel(const char *data)
 	printformat_window(active_win, MSGLEVEL_CLIENTNOTICE,
 			   TXT_WINDOW_HIDELEVEL, level);
 	g_free(level);
+
+	signal_emit("window hidelevel changed", 1, active_win);
 }
 
 static void cmd_scrollback(const char *data, SERVER_REC *server,