diff --git a/src/ui/inputwin.c b/src/ui/inputwin.c
index 44a1ac47..5da6ae97 100644
--- a/src/ui/inputwin.c
+++ b/src/ui/inputwin.c
@@ -308,7 +308,9 @@ _inp_win_update_virtual(void)
 {
     int wcols = getmaxx(stdscr);
     int row = screen_inputwin_row();
-    pnoutrefresh(inp_win, 0, pad_start, row, 0, row, wcols - 2);
+    if (inp_win != NULL) {
+        pnoutrefresh(inp_win, 0, pad_start, row, 0, row, wcols - 2);
+    }
 }
 
 static void
diff --git a/src/ui/rosterwin.c b/src/ui/rosterwin.c
index 3375414c..7c4468d8 100644
--- a/src/ui/rosterwin.c
+++ b/src/ui/rosterwin.c
@@ -95,7 +95,10 @@ rosterwin_roster(void)
 
     ProfLayoutSplit* layout = (ProfLayoutSplit*)console->layout;
     assert(layout->memcheck == LAYOUT_SPLIT_MEMCHECK);
-    werase(layout->subwin);
+
+    if (layout->subwin != NULL) {
+        werase(layout->subwin);
+    }
 
     char* roomspos = prefs_get_string(PREF_ROSTER_ROOMS_POS);
     if (prefs_get_boolean(PREF_ROSTER_ROOMS) && (g_strcmp0(roomspos, "first") == 0)) {
@@ -1106,9 +1109,11 @@ _rosterwin_contacts_header(ProfLayoutSplit* layout, const char* const title, GSL
 
     gboolean wrap = prefs_get_boolean(PREF_ROSTER_WRAP);
 
-    wattron(layout->subwin, theme_attrs(THEME_ROSTER_HEADER));
-    win_sub_print(layout->subwin, header->str, FALSE, wrap, 1);
-    wattroff(layout->subwin, theme_attrs(THEME_ROSTER_HEADER));
+    if (layout->subwin != NULL) {
+        wattron(layout->subwin, theme_attrs(THEME_ROSTER_HEADER));
+        win_sub_print(layout->subwin, header->str, FALSE, wrap, 1);
+        wattroff(layout->subwin, theme_attrs(THEME_ROSTER_HEADER));
+    }
 
     g_string_free(header, TRUE);
 }
@@ -1166,9 +1171,11 @@ _rosterwin_rooms_header(ProfLayoutSplit* layout, GList* rooms, char* title)
 
     gboolean wrap = prefs_get_boolean(PREF_ROSTER_WRAP);
 
-    wattron(layout->subwin, theme_attrs(THEME_ROSTER_HEADER));
-    win_sub_print(layout->subwin, header->str, FALSE, wrap, 1);
-    wattroff(layout->subwin, theme_attrs(THEME_ROSTER_HEADER));
+    if (layout->subwin != NULL) {
+        wattron(layout->subwin, theme_attrs(THEME_ROSTER_HEADER));
+        win_sub_print(layout->subwin, header->str, FALSE, wrap, 1);
+        wattroff(layout->subwin, theme_attrs(THEME_ROSTER_HEADER));
+    }
 
     g_string_free(header, TRUE);
 }
diff --git a/src/ui/window.c b/src/ui/window.c
index 860633de..5a1a90dc 100644
--- a/src/ui/window.c
+++ b/src/ui/window.c
@@ -1863,7 +1863,12 @@ win_sub_print(WINDOW* win, char* msg, gboolean newline, gboolean wrap, int inden
 void
 win_sub_newline_lazy(WINDOW* win)
 {
-    int curx = getcurx(win);
+    int curx;
+
+    if (win == NULL) {
+        return;
+    }
+    curx = getcurx(win);
     if (curx > 0) {
         int cury = getcury(win);
         wmove(win, cury + 1, 0);