1 files changed, 5 insertions, 6 deletions
diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb
index 8d071b2061..1331f67a78 100644
--- a/actionpack/lib/action_dispatch/routing/mapper.rb
+++ b/actionpack/lib/action_dispatch/routing/mapper.rb
@@ -190,13 +190,12 @@ module ActionDispatch
           end
 
           def blocks
-            block = @scope[:blocks] || []
-
-            if @options[:constraints].present? && !@options[:constraints].is_a?(Hash)
-              block << @options[:constraints]
+            constraints = @options[:constraints]
+            if constraints.present? && !constraints.is_a?(Hash)
+              [constraints]
+            else
+              @scope[:blocks] || []
             end
-
-            block
           end
 
           def constraints