diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 2e65348b..606de2fe 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -12,7 +12,7 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-FROM ghcr.io/eclipse-velocitas/devcontainer-base-images/python:v0.1
+FROM ghcr.io/eclipse-velocitas/devcontainer-base-images/python:v0.2
 
 # Force dapr to use localhost traffic
 ENV DAPR_HOST_IP="127.0.0.1"
diff --git a/src/modules/exec.ts b/src/modules/exec.ts
index ddd8b9d2..cfe22af5 100644
--- a/src/modules/exec.ts
+++ b/src/modules/exec.ts
@@ -72,7 +72,9 @@ export async function awaitSpawn(
         };
         process.on('SIGINT', sigintCallback);
         ptyProcess.onExit((code) => {
-            process.stdin.unref();
+            if (process.stdin) {
+                process.stdin.unref();
+            }
             ptyProcess.kill();
             resolveFunc(code);
             projectCache.write();