diff --git a/lib/apipie/application.rb b/lib/apipie/application.rb
index 9210a3e4..c7867947 100644
--- a/lib/apipie/application.rb
+++ b/lib/apipie/application.rb
@@ -405,12 +405,10 @@ def get_resource_id(klass)
         version_prefix = version_prefix(klass)
         path = klass.controller_path
 
-        path =
-          if version_prefix == '/'
-            path
-          else
+        unless version_prefix == '/'
+          path =
             path.gsub(version_prefix, '')
-          end
+        end
 
         path.gsub('/', '-')
       elsif klass.respond_to?(:controller_name)
diff --git a/lib/apipie/static_dispatcher.rb b/lib/apipie/static_dispatcher.rb
index d9ca000e..e822419c 100644
--- a/lib/apipie/static_dispatcher.rb
+++ b/lib/apipie/static_dispatcher.rb
@@ -11,7 +11,7 @@ def match?(path)
       # Replace all null bytes
       path = ::Rack::Utils.unescape(path || '')
                           .encode(Encoding::UTF_8, invalid: :replace, replace: '')
-                          .gsub(/\x0/, '')
+                          .gsub("\x0", '')
 
       full_path = path.empty? ? @root : File.join(@root, path)
       paths = "#{full_path}#{ext}"