diff --git a/sipwise_patches/12211_fix_digest_parser.patch b/sipwise_patches/12211_fix_digest_parser.patch
new file mode 100644
index 000000000..c32113f2d
--- /dev/null
+++ b/sipwise_patches/12211_fix_digest_parser.patch
@@ -0,0 +1,37 @@
+diff --git a/parser/digest/digest.c b/parser/digest/digest.c
+index 66400b5..2aef8e1 100644
+--- a/parser/digest/digest.c
++++ b/parser/digest/digest.c
+@@ -241,7 +241,7 @@ int get_authorized_cred(struct hdr_field* _f, struct hdr_field** _h)
+ int find_credentials(struct sip_msg* msg, str* realm,
+ 		     hdr_types_t hftype, struct hdr_field** hdr)
+ {
+-	struct hdr_field** hook, *ptr, *prev;
++	struct hdr_field** hook, *ptr;
+ 	hdr_flags_t hdr_flags;
+ 	int res;
+ 	str* r;
+@@ -299,15 +299,18 @@ int find_credentials(struct sip_msg* msg, str* realm,
+ 			}
+ 		}
+ 
+-		prev = ptr;
+ 		if (parse_headers(msg, hdr_flags, 1) == -1) {
+ 			LOG(L_ERR, "auth:find_credentials: Error while parsing headers\n");
+ 			return -4;
+ 		} else {
+-			if (prev != msg->last_header) {
+-				if (msg->last_header->type == hftype) ptr = msg->last_header;
+-				else break;
+-			} else break;
++			ptr = ptr->next;
++			while (ptr) {
++				if (ptr->type == hftype)
++					break;
++				ptr = ptr->next;
++			}
++			if (!ptr)
++				break;
+ 		}
+ 	}
+ 	
\ No newline at end of file