diff --git a/app/models/custom_workflow.rb b/app/models/custom_workflow.rb
index e90db9e..20b39e3 100644
--- a/app/models/custom_workflow.rb
+++ b/app/models/custom_workflow.rb
@@ -103,15 +103,15 @@ class CustomWorkflow < ApplicationRecord
   def run(object, event)
     return true unless attribute_present?(event)
 
-    Rails.logger.info { "== Running #{event} custom workflow \"#{name}\"" }
+    Rails.logger.info "== Running #{event} custom workflow \"#{name}\""
     object.instance_eval self[event]
     true
   rescue RedmineCustomWorkflows::Errors::WorkflowError => e
-    Rails.logger.info { "== User workflow error: #{e.message}" }
+    Rails.logger.info "== User workflow error: #{e.message}"
     object.errors.add :base, e.message
     false
   rescue StandardError => e
-    Rails.logger.error { "== Custom workflow #{name}, ##{id} exception: #{e.message}\n #{e.backtrace.join("\n ")}" }
+    Rails.logger.error "== Custom workflow #{name}, ##{id} exception: #{e.message}\n #{e.backtrace.join("\n ")}"
     object.errors.add :base, :custom_workflow_error
     false
   end