diff --git a/utils/match.c b/utils/match.c
index 067574cd..129834f5 100644
--- a/utils/match.c
+++ b/utils/match.c
@@ -45,8 +45,8 @@ static char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/
 
 bool
 Match(pattern, string)
-    char *pattern;	/* csh-like pattern. */
-    char *string;	/* String to check for match against pattern.*/
+    const char *pattern;	/* csh-like pattern. */
+    const char *string;	/* String to check for match against pattern.*/
 {
     char c2;
 
diff --git a/utils/utils.h b/utils/utils.h
index 68f56a95..d27a9fe4 100644
--- a/utils/utils.h
+++ b/utils/utils.h
@@ -51,7 +51,7 @@ extern char *nextName();
 extern FILE *PaOpen(char *, char *, char *, char *, char *, char **);
 extern FILE *PaLockOpen(char *, char *, char *, char *, char *, char **, bool *, int *);
 extern char *StrDup(char **, const char *);
-extern int Match();
+extern bool Match(const char *pattern, const char *string);
 extern char *ArgStr();
 extern bool StrIsWhite(const char *, bool);
 extern bool StrIsInt(const char *);