diff --git a/src/spell.c b/src/spell.c
index b474a38..d430566 100644
--- a/src/spell.c
+++ b/src/spell.c
@@ -3813,7 +3813,7 @@
 
     if (no_spell_checking(curwin))
 	return;
-    get_option_value((char_u*)"spl", &dummy, &spl, OPT_LOCAL);
+    (void)get_option_value((char_u*)"spl", &dummy, &spl, OPT_LOCAL);
 
     // Create a new empty buffer in a new window.
     do_cmdline_cmd((char_u *)"new");