diff --git a/form.yml.erb b/form.yml.erb
index 7c941dfa4cc7a802c69f9aa7cc5d1e722b7009e8..9070e1bf0a69a18e2eaee392c5985dba5b2a5821 100644
--- a/form.yml.erb
+++ b/form.yml.erb
@@ -8,6 +8,7 @@ attributes:
     value: 1
 
   bc_num_slots:
+    widget: "number_field"
     label: Number of CPU
     value: 1
     min: 1
@@ -23,6 +24,7 @@ attributes:
     step: 1
 
   bc_num_gpus:
+    widget: "number_field"
     label: Number of GPUs
     value: 1
     min: 1