diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4910c574f4..f776bf8786 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@
 * Your contribution here.
 * [#1776](https://github.com/ruby-grape/grape/pull/1776): Validate response returned by the exception handler - [@darren987469](https://github.com/darren987469).
 * [#1787](https://github.com/ruby-grape/grape/pull/1787): Add documented but not implemented ability to `.insert` a middleware in the stack - [@michaellennox](https://github.com/michaellennox).
+* [#1788](https://github.com/ruby-grape/grape/pull/1788): Fix route requirements bug - [@darren987469](https://github.com/darren987469), [@darrellnash](https://github.com/darrellnash).
 
 ### 1.1.0 (8/4/2018)
 
diff --git a/lib/grape/endpoint.rb b/lib/grape/endpoint.rb
index aacf0472aa..5100f96541 100644
--- a/lib/grape/endpoint.rb
+++ b/lib/grape/endpoint.rb
@@ -200,7 +200,7 @@ def prepare_version
     end
 
     def merge_route_options(**default)
-      options[:route_options].clone.reverse_merge(**default)
+      options[:route_options].clone.merge(**default)
     end
 
     def map_routes
diff --git a/spec/grape/api/routes_with_requirements_spec.rb b/spec/grape/api/routes_with_requirements_spec.rb
index e66963c38d..c6ce2ccee0 100644
--- a/spec/grape/api/routes_with_requirements_spec.rb
+++ b/spec/grape/api/routes_with_requirements_spec.rb
@@ -22,7 +22,7 @@ def app
 
     it 'routes to a path with multiple params with dots' do
       subject.get ':id_with_dots/:another_id_with_dots', requirements: { id_with_dots: %r{[^\/]+},
-                                                                         another_id_with_dots: %r{[^\/]+} }  do
+                                                                         another_id_with_dots: %r{[^\/]+} } do
         "#{params[:id_with_dots]}/#{params[:another_id_with_dots]}"
       end