diff --git a/src/cursmenu.c b/src/cursmenu.c
index c56e7a8..2a00e34 100644
--- a/src/cursmenu.c
+++ b/src/cursmenu.c
@@ -356,7 +356,12 @@ char *do_menu (FILE *script, char *line)
 
     wattroff (stdscr, A_REVERSE);
 
-    get_widech( &ch );
+    int rv = get_widech( &ch );
+    if (rv == ERR)
+    {
+      fatal_error ("internal error: get_widech", NULL);
+    }
+
     switch (ch)
     {
       case KEY_UP:
diff --git a/src/infoview.c b/src/infoview.c
index cbe374c..273d2e5 100644
--- a/src/infoview.c
+++ b/src/infoview.c
@@ -271,7 +271,11 @@ int do_beginner_infoview()
                    firstLine, lastLine, numMsgLines);
     mvwideaddstr(LINES - 1, 0,
                  _("Press SPACE, ENTER or ESCAPE to start gtypist, or 'D' to disable this dialog"));
-    get_widech(&ch);
+    int rv = get_widech(&ch);
+    if (rv == ERR)
+    {
+      fatal_error ("internal error: get_widech", NULL);
+    }
   }
 
   /* free resources */