diff --git a/portainer-automation/src/main/java/com/hithomelabs/portainer/service/DeployService.java b/portainer-automation/src/main/java/com/hithomelabs/portainer/service/DeployService.java
index 56299c2..33bde32 100644
--- a/portainer-automation/src/main/java/com/hithomelabs/portainer/service/DeployService.java
+++ b/portainer-automation/src/main/java/com/hithomelabs/portainer/service/DeployService.java
@@ -23,7 +23,7 @@ public class DeployService {
 
     public void redeploy(Long stackId) {
         PortainerStack stack = portainerApiClient.getStack(stackId);
-        List<EnvVariable> env = stack.getEnv();
+        List<EnvVariable> env = stack.getEnv() != null ? stack.getEnv() : List.of();
         portainerApiClient.redeployGitStack(stackId, props.getEndpointId(), true, env);
     }
 }