diff --git a/src/option.c b/src/option.c
index 73933b4..ff33e0f 100644
--- a/src/option.c
+++ b/src/option.c
@@ -6053,7 +6053,7 @@
 #if defined(FEAT_GUI_TABLINE)
     /* 'guitablabel' */
     else if (varp == &p_gtl)
-	gui_update_tabline();
+	gui_init_which_components(NULL);
 #endif
 
 #if defined(FEAT_MOUSE_TTY) && (defined(UNIX) || defined(VMS))