diff --git a/modules/purchase_trade/__init__.py b/modules/purchase_trade/__init__.py
index 9152f17..ddb2a70 100755
--- a/modules/purchase_trade/__init__.py
+++ b/modules/purchase_trade/__init__.py
@@ -174,6 +174,7 @@ def register():
         pricing.MtmStrategy,
         pricing.MtmScenario,
         pricing.MtmSnapshot,
+        pricing.ContractStrategy,
         pricing.PriceMatrix,
         pricing.PriceMatrixLine,
         pricing.Estimated,