diff --git a/goodkey/good_key.go b/goodkey/good_key.go
index d8efd703ddc..b57967035fe 100644
--- a/goodkey/good_key.go
+++ b/goodkey/good_key.go
@@ -29,7 +29,7 @@ var smallPrimeInts = []int64{
 	499, 503, 509, 521, 523, 541, 547, 557, 563, 569, 571,
 	577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641,
 	643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709,
-	719, 727, 733, 739, 743, 751,
+	719, 727, 733, 739, 743, 751, 31337,
 }
 
 // singleton defines the object of a Singleton pattern