diff --git a/src/aks-agent/HISTORY.rst b/src/aks-agent/HISTORY.rst
index 182b35650e1..0c433489e23 100644
--- a/src/aks-agent/HISTORY.rst
+++ b/src/aks-agent/HISTORY.rst
@@ -12,6 +12,9 @@ To release a new version, please select a new version number (usually plus 1 to
 Pending
 +++++++
 
+1.0.0b13
+* fix subscription id not correclty set in helm chart
+
 1.0.0b12
 ++++++++
 * [BREAKING CHANGE]:
diff --git a/src/aks-agent/azext_aks_agent/agent/k8s/aks_agent_manager.py b/src/aks-agent/azext_aks_agent/agent/k8s/aks_agent_manager.py
index 17ddb5b6373..80ecec01492 100644
--- a/src/aks-agent/azext_aks_agent/agent/k8s/aks_agent_manager.py
+++ b/src/aks-agent/azext_aks_agent/agent/k8s/aks_agent_manager.py
@@ -812,7 +812,7 @@ def _create_helm_values(self):
         if self.cluster_name:
             aks_context["clusterName"] = self.cluster_name
         if self.subscription_id:
-            aks_context["subscriptionId"] = self.subscription_id
+            aks_context["subscriptionID"] = self.subscription_id
         if aks_context:
             helm_values["aksContext"] = aks_context
 
diff --git a/src/aks-agent/setup.py b/src/aks-agent/setup.py
index 4ce8c55f731..bb99dbaac88 100644
--- a/src/aks-agent/setup.py
+++ b/src/aks-agent/setup.py
@@ -9,7 +9,7 @@
 
 from setuptools import find_packages, setup
 
-VERSION = "1.0.0b12"
+VERSION = "1.0.0b13"
 
 CLASSIFIERS = [
     "Development Status :: 4 - Beta",