diff --git a/chaincode/controller/stats/stub.go b/chaincode/controller/stats/stub.go
index e20bcb71a95a44aae8d2aa927914629dd91c2214..eedc0ac02c0bbce00f2467ab2dd0f1a2e460800c 100644
--- a/chaincode/controller/stats/stub.go
+++ b/chaincode/controller/stats/stub.go
@@ -190,7 +190,7 @@ func RegisterSale(stub shared.LedgerBuildrStubInterface, quantity uint32, price
 	orgStats.UpgradeSell(quantity, price, units)
 	orgStats.UpgradeSell(quantity, price, units)
 
-	log.Debug(fmt.Sprintf("Sale registered in stats (quantity: %s, price: %s, units: %s)", quantity, price, units))
+	log.Debug(fmt.Sprintf("Sale registered in stats (quantity: %d %s, price: %.2f €)", quantity, units, price))
 
 	err = upgradeStats(stub, globalStats, orgStats)
 	if err != nil {