diff --git a/lib/omnicontacts/builder.rb b/lib/omnicontacts/builder.rb
index 60704eb..04c72f1 100644
--- a/lib/omnicontacts/builder.rb
+++ b/lib/omnicontacts/builder.rb
@@ -12,7 +12,8 @@ def initialize(app, &block)
     end
 
     def rack14?
-      Rack.release.split('.')[1].to_i >= 4
+      v = Rack.release.split('.')
+      v[0].to_i >= 1 || v[1].to_i >= 4
     end
 
     def importer importer, *args