diff --git a/parser/digest/digest.c b/parser/digest/digest.c
index 66400b50d..a22393c5c 100644
--- a/parser/digest/digest.c
+++ b/parser/digest/digest.c
@@ -290,7 +290,7 @@ int find_credentials(struct sip_msg* msg, str* realm,
 			return (res == -1) ? -2 : -3;
 		} else if (res == 0) {
 			r = &(((auth_body_t*)(ptr->parsed))->digest.realm);
-
+			DBG("auth:find_credentials: compare realm '%.*s', len %d to parsed realm '%.*s', len %d\n", realm->s, realm->len, r->s, r->len);
 			if (r->len == realm->len) {
 				if (!strncasecmp(realm->s, r->s, r->len)) {
 					*hdr = ptr;
diff --git a/pkg/kamailio/deb/squeeze/changelog b/pkg/kamailio/deb/squeeze/changelog
index 4b3b4841c..c45d9b51d 100644
--- a/pkg/kamailio/deb/squeeze/changelog
+++ b/pkg/kamailio/deb/squeeze/changelog
@@ -1,3 +1,9 @@
+kamailio (3.3+ngcp2.6.11) unstable; urgency=low
+
+  * Add experimental debugging for find_credentials.
+
+ -- Andrew Pogrebennyk <apogrebennyk@sipwise.com>  Sun, 16 Dec 2012 11:38:23 +0100
+
 kamailio (3.3+ngcp2.6.10) unstable; urgency=low
 
   * Fix bag tagging.