diff --git a/README.md b/README.md
index b375af2..b33dde3 100644
--- a/README.md
+++ b/README.md
@@ -97,6 +97,11 @@ Following the capabilities of this action:
     <td></td>
   </tr>
 
+  <tr>
+    <td><code>subscription</code></td>
+    <td>(Optional) The Subscription name or ID</td>
+    <td></td>
+  </tr>
 </table>
 
 ## Example usage
diff --git a/action.yml b/action.yml
index ad9d692..184c62e 100644
--- a/action.yml
+++ b/action.yml
@@ -41,6 +41,9 @@ inputs:
   build_args:
     description: "JSON specifying key=value pairs as as Docker build arguments"
     required: false
+  subscription:
+    description: "The Subscription Name or ID"
+    required: false
 runs:
   using: "docker"
   image: "Dockerfile"
diff --git a/entrypoint.sh b/entrypoint.sh
index c667c63..0ce5150 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -17,6 +17,10 @@ if [ -n "$INPUT_GIT_ACCESS_TOKEN" ]; then
         GIT_ACCESS_TOKEN_FLAG="${INPUT_GIT_ACCESS_TOKEN}@"
 fi
 
+if [ -n "$INPUT_SUBSCRIPTION" ]; then
+  az account set -s $INPUT_SUBSCRIPTION
+fi
+
 echo "Building Docker image ${INPUT_REPOSITORY}${IMAGE_PART}:${INPUT_TAG} from ${GITHUB_REPOSITORY} on ${INPUT_BRANCH} and using context ${INPUT_FOLDER} ; and pushing it to ${INPUT_REGISTRY} Azure Container Registry"
 
 echo "Logging into azure.."