diff --git a/stack_orchestrator/deploy/k8s/deploy_k8s.py b/stack_orchestrator/deploy/k8s/deploy_k8s.py
index 3003129c..c13f9a55 100644
--- a/stack_orchestrator/deploy/k8s/deploy_k8s.py
+++ b/stack_orchestrator/deploy/k8s/deploy_k8s.py
@@ -126,7 +126,10 @@ class K8sDeployer(Deployer):
         # Use deployment-specific namespace for resource isolation and easy cleanup
         self.k8s_namespace = f"laconic-{compose_project_name}"
         self.cluster_info = ClusterInfo()
-        stack_name = deployment_context.stack.name if deployment_context else ""
+        # stack.name may be an absolute path (from spec "stack:" key after
+        # path resolution). Extract just the directory basename for labels.
+        raw_name = deployment_context.stack.name if deployment_context else ""
+        stack_name = Path(raw_name).name if raw_name else ""
         self.cluster_info.int(
             compose_files,
             compose_env_file,