diff --git a/lib/table.c b/lib/table.c
index befe696..cc08415 100644
--- a/lib/table.c
+++ b/lib/table.c
@@ -297,10 +297,11 @@ check_dclick(int x, int y, int t)
 }
 
 int help_is_showing = 0;
-static void help_nothing() { help_is_showing = 0; }
+static void help_nothing(void) { help_is_showing = 0; }
+static void help_nothing_args(int a, int b, int c) { help_is_showing = 0; }
 void (*help_redraw)(void) = help_nothing;
-void (*help_click)(int x, int y, int b) = help_nothing;
-void (*help_key)(int c, int x, int y) = help_nothing;
+void (*help_click)(int x, int y, int b) = help_nothing_args;
+void (*help_key)(int c, int x, int y) = help_nothing_args;
 
 static int no_resize = 0;
 void
-- 
2.51.2