diff --git a/spawn.html b/spawn.html
index 47985e5b054fec4a63521f2066a4424343523e45..3918d123aa4f1685c67492bc9c6a1d63bcdf46aa 100644
--- a/spawn.html
+++ b/spawn.html
@@ -10,7 +10,8 @@
 <p>User info: {{ user }} </p>
 <label for="gpus">GPUs</label>
 <input class="form-control input-lg" type="range" name="gpus" value="{{ extra_resources.n_gpus }}" min="0" max="4" oninput="this.nextElementSibling.value = this.value"/>
-<output>{{ extra_resources.n_gpus }}</output>  
+<output>{{ extra_resources.n_gpus }}</output>
+{% set _ = extra_resources.__setitem__('n_gpus', {{extra_resources.n_gpus}}) %}
 <br/>
 <label for="cores">CPUS</label>
 <input class="form-control input-lg" type="range" name="cores" value="{{ extra_resources.n_cpus }}" min="0" max="96" oninput="this.nextElementSibling.value = this.value"/>