diff --git a/.rubocop.yml b/.rubocop.yml
index d4e0a52e8..2a0845b42 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -455,6 +455,9 @@ Style/Proc:
 Style/RaiseArgs:
   Enabled: true
 
+Style/RedundantCondition:
+  Enabled: true
+
 Style/RedundantFileExtensionInRequire:
   Enabled: true
 
diff --git a/app/helpers/welcome_helper.rb b/app/helpers/welcome_helper.rb
index 85cc2dd33..5962ff682 100644
--- a/app/helpers/welcome_helper.rb
+++ b/app/helpers/welcome_helper.rb
@@ -34,7 +34,7 @@ module WelcomeHelper
   def calculate_carousel_size(debates, proposals, apply_offset)
     offset = calculate_offset(debates, proposals, apply_offset)
     centered = calculate_centered(debates, proposals)
-    "#{offset if offset} #{centered if centered}"
+    "#{offset} #{centered}"
   end
 
   def calculate_centered(debates, proposals)