--- etag.c-1.4.16	2007-08-24 15:55:17.000000000 -0700
+++ etag.c	2007-08-24 13:35:43.000000000 -0700
@@ -4,7 +4,7 @@
 #include "etag.h"
 
 int etag_is_equal(buffer *etag, const char *matches) {
-	if (0 == strcmp(etag->ptr, matches)) return 1;
+	if (etag && etag->ptr && 0 == strcmp(etag->ptr, matches)) return 1;
 	return 0;
 }