diff --git a/src/core/wcwidth-wrapper.c b/src/core/wcwidth-wrapper.c
index b010069b..b670396d 100644
--- a/src/core/wcwidth-wrapper.c
+++ b/src/core/wcwidth-wrapper.c
@@ -123,7 +123,7 @@ void wcwidth_wrapper_init(void)
 #endif
 
 	read_settings();
-	signal_add("setup changed", (SIGNAL_FUNC) read_settings);
+	signal_add_first("setup changed", (SIGNAL_FUNC) read_settings);
 }
 
 void wcwidth_wrapper_deinit(void)
diff --git a/src/fe-text/gui-windows.c b/src/fe-text/gui-windows.c
index f761e390..0ad4c921 100644
--- a/src/fe-text/gui-windows.c
+++ b/src/fe-text/gui-windows.c
@@ -31,6 +31,7 @@
 #include "gui-printtext.h"
 
 static int window_create_override;
+int wcwidth_impl;
 
 static GUI_WINDOW_REC *gui_window_init(WINDOW_REC *window,
 				       MAIN_WINDOW_REC *parent)
@@ -51,6 +52,7 @@ static GUI_WINDOW_REC *gui_window_init(WINDOW_REC *window,
 					   !settings_get_bool("indent_always"),
 					   get_default_indent_func());
 	textbuffer_view_set_break_wide(gui->view, settings_get_bool("break_wide"));
+	wcwidth_impl = settings_get_choice("wcwidth_implementation");
 	textbuffer_view_set_hidden_level(gui->view, MSGLEVEL_HIDDEN);
 	if (parent->active == window)
 		textbuffer_view_set_window(gui->view, parent->screen_win);
@@ -202,11 +204,17 @@ void gui_window_reparent(WINDOW_REC *window, MAIN_WINDOW_REC *parent)
 void gui_windows_reset_settings(void)
 {
 	GSList *tmp;
+	int old_wcwidth_impl = wcwidth_impl;
+	wcwidth_impl  = settings_get_choice("wcwidth_implementation");
 
 	for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 		WINDOW_REC *rec = tmp->data;
 		GUI_WINDOW_REC *gui = WINDOW_GUI(rec);
 
+		if (old_wcwidth_impl != wcwidth_impl) {
+			textbuffer_view_reset_cache(gui->view);
+		}
+
 		textbuffer_view_set_break_wide(gui->view, settings_get_bool("break_wide"));
 
 		textbuffer_view_set_default_indent(gui->view,
@@ -217,6 +225,10 @@ void gui_windows_reset_settings(void)
 		textbuffer_view_set_scroll(gui->view,
 					   gui->use_scroll ? gui->scroll :
 					   settings_get_bool("scroll"));
+
+		if (old_wcwidth_impl != wcwidth_impl) {
+			textbuffer_view_redraw(gui->view);
+		}
 	}
 }
 
diff --git a/src/fe-text/textbuffer-view.c b/src/fe-text/textbuffer-view.c
index dda2ed97..e85381e0 100644
--- a/src/fe-text/textbuffer-view.c
+++ b/src/fe-text/textbuffer-view.c
@@ -374,7 +374,7 @@ static void view_update_cache(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line,
 		view->cache->last_linecount = view_get_linecount(view, line);
 }
 
-static void view_reset_cache(TEXT_BUFFER_VIEW_REC *view)
+void textbuffer_view_reset_cache(TEXT_BUFFER_VIEW_REC *view)
 {
 	GSList *tmp;
 
@@ -691,7 +691,7 @@ void textbuffer_view_set_break_wide(TEXT_BUFFER_VIEW_REC *view,
 {
 	if (view->break_wide != break_wide) {
 		view->break_wide = break_wide;
-		view_reset_cache(view);
+		textbuffer_view_reset_cache(view);
 	}
 }
 
@@ -703,7 +703,7 @@ static void view_unregister_indent_func(TEXT_BUFFER_VIEW_REC *view,
 
 	/* recreate cache so it won't contain references
 	   to the indent function */
-	view_reset_cache(view);
+	textbuffer_view_reset_cache(view);
 	view->cache = textbuffer_cache_get(view->siblings, view->width);
 }
 
@@ -1314,7 +1314,7 @@ void textbuffer_view_remove_all_lines(TEXT_BUFFER_VIEW_REC *view)
 	g_hash_table_foreach_remove(view->bookmarks,
 				    (GHRFunc) g_free_true, NULL);
 
-	view_reset_cache(view);
+	textbuffer_view_reset_cache(view);
 	textbuffer_view_clear(view);
 	g_slist_foreach(view->siblings, (GFunc) textbuffer_view_clear, NULL);
 }
diff --git a/src/fe-text/textbuffer-view.h b/src/fe-text/textbuffer-view.h
index a670df2b..1ae7c163 100644
--- a/src/fe-text/textbuffer-view.h
+++ b/src/fe-text/textbuffer-view.h
@@ -129,6 +129,8 @@ void textbuffer_view_scroll_line(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line);
 /* Return line cache */
 LINE_CACHE_REC *textbuffer_view_get_line_cache(TEXT_BUFFER_VIEW_REC *view,
 					       LINE_REC *line);
+/* Reset the whole line cache */
+void textbuffer_view_reset_cache(TEXT_BUFFER_VIEW_REC *view);
 
 /*
    Functions for manipulating the text buffer, using these commands update