diff --git a/panel/src/panel/views.py b/panel/src/panel/views.py
index 341a9135..61d4c8d8 100644
--- a/panel/src/panel/views.py
+++ b/panel/src/panel/views.py
@@ -118,10 +118,13 @@ class DeploymentStatus(ConfigurationForm):
             "nixops4",
             "apply",
             "test",
+            "--show-trace",
+            "--no-interactive",
         ]
         deployment_result = subprocess.run(
             cmd,
-            cwd=settings.repo_dir,
-            env=env,
+            cwd = settings.repo_dir,
+            env = env,
+            stderr = subprocess.STDOUT,
         )
         return deployment_result, config