diff --git a/ruby/lib/google/protobuf/repeated_field.rb b/ruby/lib/google/protobuf/repeated_field.rb
index 5c1e906535..13b9300b2e 100644
--- a/ruby/lib/google/protobuf/repeated_field.rb
+++ b/ruby/lib/google/protobuf/repeated_field.rb
@@ -96,7 +96,7 @@ module Google
           raise ArgumentError, "negative array size"
         else
           start = [self.size-n, 0].max
-          return self[start..-1]
+          return self[start...self.size]
         end
       end