diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 2f9dd6f..f1346b3 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,14 @@ Release Notes
 =============
 
 
+Version 1.2.0
+-------------
+
+Released 2018-07-24
+
+* Add origin call ID to log message
+
+
 Version 1.1.0
 -------------
 
diff --git a/nameko_tracer/adapters.py b/nameko_tracer/adapters.py
index 15fe72e..444f4c4 100644
--- a/nameko_tracer/adapters.py
+++ b/nameko_tracer/adapters.py
@@ -47,6 +47,7 @@ def process(self, message, kwargs):
 
         data[constants.CALL_ID_KEY] = worker_ctx.call_id
         data[constants.CALL_ID_STACK_KEY] = worker_ctx.call_id_stack
+        data[constants.ORIGIN_CALL_ID_KEY] = worker_ctx.origin_call_id
 
         data[constants.STAGE_KEY] = stage.value
 
diff --git a/nameko_tracer/constants.py b/nameko_tracer/constants.py
index c21ce3a..b9a8703 100644
--- a/nameko_tracer/constants.py
+++ b/nameko_tracer/constants.py
@@ -166,6 +166,9 @@ class Status(Enum):
 """ A key holding the call ID stack ...
 """
 
+ORIGIN_CALL_ID_KEY = 'origin_call_id'
+""" A key holding the Source of all stack calls
+"""
 
 CONTEXT_DATA_KEY = 'context_data'
 """ A key holding the worker context data dictionary
diff --git a/setup.py b/setup.py
index 0d23409..f7baff6 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 
 setup(
     name='nameko-tracer',
-    version='1.1.0',
+    version='1.2.0',
     description='Nameko extension logging entrypoint processing metrics',
     author='student.com',
     author_email='wearehiring@student.com',