diff --git a/ChangeLog b/ChangeLog
index e41842c..af2e5e7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2019-10-07         Arnold D. Robbins     <arnold@skeeve.com>
+
+	* b.c (fnematch): Change type of pbuf from unsigned char to char.
+	* proto.h (fnematch): Ditto.
+
 2019-10-06         Arnold D. Robbins     <arnold@skeeve.com>
 
 	* lib.c (readrec): Allow RS a regular expression. Imported
diff --git a/b.c b/b.c
index 31df715..ea70fd5 100644
--- a/b.c
+++ b/b.c
@@ -632,9 +632,9 @@ int nematch(fa *f, const char *p0)	/* non-empty match, for sub */
  *     1    Match found.
  */
 
-int fnematch(fa *pfa, FILE *f, uschar **pbuf, int *pbufsize, int quantum)
+int fnematch(fa *pfa, FILE *f, char **pbuf, int *pbufsize, int quantum)
 {
-	uschar *buf = *pbuf;
+	char *buf = *pbuf;
 	int bufsize = *pbufsize;
 	int c, i, j, k, ns, s;
 
diff --git a/proto.h b/proto.h
index f498f31..bc5cf6e 100644
--- a/proto.h
+++ b/proto.h
@@ -54,7 +54,7 @@ extern	int	member(int, const char *);
 extern	int	match(fa *, const char *);
 extern	int	pmatch(fa *, const char *);
 extern	int	nematch(fa *, const char *);
-extern	int	fnematch(fa *, FILE *, uschar **, int *, int);
+extern	int	fnematch(fa *, FILE *, char **, int *, int);
 extern	Node	*reparse(const char *);
 extern	Node	*regexp(void);
 extern	Node	*primary(void);