diff --git a/ChangeLog b/ChangeLog
index 10e1d139..49723264 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2003-03-23  Theodore A. Roth  <troth@openavr.org>
+
+	* ser_posix.c: Limit verbose output to 2 chars.
+
 2003-03-23  Theodore A. Roth  <troth@openavr.org>
 
 	* ser_posix.c: Add verbose level > 3 output for send and recv functions.
diff --git a/ser_posix.c b/ser_posix.c
index 143308d1..2bff1973 100644
--- a/ser_posix.c
+++ b/ser_posix.c
@@ -175,7 +175,7 @@ int serial_send(int fd, char * buf, size_t buflen)
         else {
           fprintf(stderr, ". ");
         }
-        fprintf(stderr, "[%02x] ", (unsigned int)c);
+        fprintf(stderr, "[%02x] ", ((unsigned int)c) & 0xff);
 
         buf++;
         buflen--;