diff --git a/submit.yml.erb b/submit.yml.erb
index cf7e083..0651f99 100644
--- a/submit.yml.erb
+++ b/submit.yml.erb
@@ -11,6 +11,6 @@ script:
     - "--mem"
     - "<%= ram.blank? ? 4 : ram.to_i %>G"
     - "--cpus-per-task"
-    - "<%= cores.blank? ? 1 : cores.to_i %>"<% if auto_queues.start_with?("gpu") %>
+    - "<%= cores.blank? ? 1 : cores.to_i %>"<% if (auto_queues or "").start_with?("gpu") %>
     - "--gpus-per-task"
     - "1"<% end %>