diff --git a/httpd/httpd.c b/httpd/httpd.c
index 2701e64..e063a47 100644
--- a/httpd/httpd.c
+++ b/httpd/httpd.c
@@ -277,8 +277,9 @@ __xdata uint8_t *scan_header(__xdata uint8_t * __xdata p)
 
 	while (!strstart(p, "\r\n\r\n")) {
 		dbg_char(*p);
-		if (!*p++)
+		if (!*p)
 			break;
+		p++;
 		if ((v = header_value(p, "\ncontent-type:")))
 			content_type = v;
 		else if ((v = header_value(p, "\ncookie:"))) {