diff --git a/src/modules/tkl.c b/src/modules/tkl.c
index c8cfa7e52..38966eccf 100644
--- a/src/modules/tkl.c
+++ b/src/modules/tkl.c
@@ -3210,6 +3210,7 @@ void _free_tkl(TKL *tkl)
 		safe_free(tkl->ptr.spamfilter->prettyrule);
 		safe_free(tkl->ptr.spamfilter->id);
 		safe_free(tkl->ptr.spamfilter);
+		safe_free_security_group(tkl->ptr.spamfilter->except);
 	} else
 	if (TKLIsBanException(tkl) && tkl->ptr.banexception)
 	{