diff --git a/build/params_testground.go b/build/params_testground.go
index ab7c16436..a121e17af 100644
--- a/build/params_testground.go
+++ b/build/params_testground.go
@@ -59,4 +59,7 @@ var (
 		v = v.Mul(v, big.NewInt(int64(FilecoinPrecision)))
 		return v
 	}()
+	// Actor consts
+	// TODO: Pull from actors when its made not private
+	MinDealDuration = abi.ChainEpoch(180 * builtin.EpochsInDay)
 )