diff --git a/avrdude/ChangeLog b/avrdude/ChangeLog
index 96101a4e..88500cdf 100644
--- a/avrdude/ChangeLog
+++ b/avrdude/ChangeLog
@@ -1,3 +1,10 @@
+2007-10-29 Joerg Wunsch <j@uriah.heep.sax.de>
+
+	bug #21076: -vvvv serial receive prints are empty in Win32 build
+	* ser_win32.c (ser_recv): Drop the essentially unused variable
+	"len", and use the variable "read" in order to track how many
+	bytes have just been read in.
+
 2007-10-29 Joerg Wunsch <j@uriah.heep.sax.de>
 
 	bug #21145: atmega329p not recognized
diff --git a/avrdude/ser_win32.c b/avrdude/ser_win32.c
index 44a6d3fd..fdb49735 100644
--- a/avrdude/ser_win32.c
+++ b/avrdude/ser_win32.c
@@ -245,7 +245,6 @@ static int ser_recv(union filedescriptor *fd, unsigned char * buf, size_t buflen
 {
 	unsigned char c;
 	unsigned char * p = buf;
-	size_t len = 0;
 	DWORD read;
 
 	HANDLE hComPort=(HANDLE)fd->pfd;
@@ -282,7 +281,7 @@ static int ser_recv(union filedescriptor *fd, unsigned char * buf, size_t buflen
 	{
 		fprintf(stderr, "%s: Recv: ", progname);
 
-		while (len) {
+		while (read) {
 			c = *p;
 			if (isprint(c)) {
 				fprintf(stderr, "%c ", c);
@@ -293,7 +292,7 @@ static int ser_recv(union filedescriptor *fd, unsigned char * buf, size_t buflen
 			fprintf(stderr, "[%02x] ", c);
 
 			p++;
-			len--;
+			read--;
 		}
 		fprintf(stderr, "\n");
 	}