diff --git a/pipelines/ec2/describe_ec2_instances.hcl b/pipelines/ec2/describe_ec2_instances.hcl
index 63e7285..d03fabb 100644
--- a/pipelines/ec2/describe_ec2_instances.hcl
+++ b/pipelines/ec2/describe_ec2_instances.hcl
@@ -41,7 +41,7 @@ pipeline "describe_ec2_instances" {
 
       cmd = concat(
         ["ec2", "describe-instances"],
-        param.instance_ids != null && try(length(param.instance_ids), 0) > 0 ? concat(["--instance-ids"], param.instance_ids) : [],
+        try(length(param.instance_ids), 0) > 0 ? concat(["--instance-ids"], param.instance_ids) : [],
         param.instance_type != null ? ["--filters", "Name=instance-type,Values=${param.instance_type}"] : [],
         param.ebs_optimized != null ? ["--filters", "Name=ebs-optimized,Values=${param.ebs_optimized}"] : []
       )