X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/f26cbf1c4d949d3e7c7b26ab27c5f4d48d8059ed..41c7c826a7e4c3a074a6ab5a719bf4c88e9a0e28:/apps/workbench/app/controllers/pipeline_instances_controller.rb?ds=sidebyside

diff --git a/apps/workbench/app/controllers/pipeline_instances_controller.rb b/apps/workbench/app/controllers/pipeline_instances_controller.rb
index 12db3c3b64..b477223b81 100644
--- a/apps/workbench/app/controllers/pipeline_instances_controller.rb
+++ b/apps/workbench/app/controllers/pipeline_instances_controller.rb
@@ -59,7 +59,7 @@ class PipelineInstancesController < ApplicationController
                   pipeline[component_name][:script_parameters][param_name] = param_value[:value]
                 elsif param_value[:default]
                   pipeline[component_name][:script_parameters][param_name] = param_value[:default]
-                elsif param_value[:optional] and param_value.length == 1
+                elsif param_value[:optional] != nil or param_value[:required] != nil
                     pipeline[component_name][:script_parameters][param_name] = ""
                 else
                   pipeline[component_name][:script_parameters][param_name] = param_value