diff --git a/include/ignore.h b/include/ignore.h
index 678de7e..26e10b0 100644
--- a/include/ignore.h
+++ b/include/ignore.h
@@ -57,7 +57,7 @@ int	check_ignore (char *, char *, char *, long, char *);
 void	ignore (char *, char *, char *, char *);
 void	tignore (char *, char *, char *, char *);
 void	ignore_nickname (char *, long, int);
-long	ignore_type (char *, int);
+long ignore_type(const char *, size_t);
 int	check_is_ignored(char *);
 char 	*get_ignores_by_pattern (char *patterns, int covered);
 int	get_type_by_desc (char *type, int *do_mask, int *dont_mask);
diff --git a/source/ignore.c b/source/ignore.c
index 0c96ea3..ac0f2c8 100644
--- a/source/ignore.c
+++ b/source/ignore.c
@@ -571,11 +571,13 @@ static	void ignore_list(char *nick)
 		bitchsay("There are no nicknames or channels being ignored");
 }
 
-long ignore_type (char *type, int len)
+long ignore_type(const char *type, size_t len)
 {
-long ret = -1;
+	long ret = -1;
+
 	if (!type || !*type)
 		return -1;
+
 	if (!strncmp(type, "ALL", len))
 		ret = IGNORE_ALL;
 	else if (!strncmp(type, "MSGS", len))