diff --git a/didcomm_messaging/crypto/backend/askar.py b/didcomm_messaging/crypto/backend/askar.py
index 5755a84..5322a7c 100644
--- a/didcomm_messaging/crypto/backend/askar.py
+++ b/didcomm_messaging/crypto/backend/askar.py
@@ -306,6 +306,7 @@ async def ecdh_1pu_encrypt(
         builder.set_protected(
             OrderedDict(
                 [
+                    ("typ", "application/didcomm+encrypted"),
                     ("alg", alg_id),
                     ("enc", enc_id),
                     ("apu", b64url(apu)),
diff --git a/didcomm_messaging/routing.py b/didcomm_messaging/routing.py
index b9d9003..4388dd7 100644
--- a/didcomm_messaging/routing.py
+++ b/didcomm_messaging/routing.py
@@ -105,7 +105,8 @@ async def prepare_forward(
 
         # Grab our target to pack the initial message to, then pack the message
         # for the DID target
-        next_target = chain.pop(0)["did"]
+        final_destination = chain.pop(0)
+        next_target = final_destination["did"]
         packed_message = encoded_message
 
         # Loop through the entire services chain and pack the message for each
@@ -130,4 +131,7 @@ async def prepare_forward(
 
         # Return the forward-packed message as well as the last service in the
         # chain, which is the destination of the top-level forward message.
-        return (packed_message, chain[-1]["service"])
+        service = final_destination["service"]
+        if len(chain):
+            service = chain[-1]["service"]
+        return (packed_message, service)
diff --git a/pyproject.toml b/pyproject.toml
index c827dd9..5935c6a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -47,6 +47,8 @@ ignore = [
 
 line-length = 90
 
+extend-exclude = ["example*.py"]
+
 [tool.ruff.per-file-ignores]
 "**/{tests}/*" = ["F841", "D", "E501"]