diff --git a/src/primitives/transaction.h b/src/primitives/transaction.h
index 067b1fcc0..149816406 100644
--- a/src/primitives/transaction.h
+++ b/src/primitives/transaction.h
@@ -177,8 +177,7 @@ public:
 
     bool IsDust(const CFeeRate &minRelayTxFee) const
     {
-        return false;
-//        return (nValue < GetDustThreshold(minRelayTxFee));
+        return (nValue < GetDustThreshold(minRelayTxFee));
     }
 
     friend bool operator==(const CTxOut& a, const CTxOut& b)
diff --git a/src/test/transaction_tests.cpp b/src/test/transaction_tests.cpp
index 0e35af45e..550a53c9c 100644
--- a/src/test/transaction_tests.cpp
+++ b/src/test/transaction_tests.cpp
@@ -340,8 +340,8 @@ BOOST_AUTO_TEST_CASE(test_IsStandard)
     CAmount nDustThreshold = 182 * minRelayTxFee.GetFeePerK()/1000 * 3;
     BOOST_CHECK_EQUAL(nDustThreshold, 546);
     // dust:
-    //t.vout[0].nValue = nDustThreshold - 1;
-    //BOOST_CHECK(!IsStandardTx(t, reason));
+    t.vout[0].nValue = nDustThreshold - 1;
+    BOOST_CHECK(!IsStandardTx(t, reason));
     // not dust:
     t.vout[0].nValue = nDustThreshold;
     BOOST_CHECK(IsStandardTx(t, reason));