1 files changed, 5 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/type/integer.rb b/activerecord/lib/active_record/type/integer.rb
index 750f353472..fc260a081a 100644
--- a/activerecord/lib/active_record/type/integer.rb
+++ b/activerecord/lib/active_record/type/integer.rb
@@ -5,7 +5,7 @@ module ActiveRecord
 
       def initialize(*)
         super
-        @range = -max_value...max_value
+        @range = min_value...max_value
       end
 
       def type
@@ -46,6 +46,10 @@ module ActiveRecord
         limit = self.limit || 4
         1 << (limit * 8 - 1) # 8 bits per byte with one bit for sign
       end
+
+      def min_value
+        -max_value
+      end
     end
   end
 end