diff --git a/src/main.h b/src/main.h
index 666a1293c..155ad413d 100644
--- a/src/main.h
+++ b/src/main.h
@@ -59,7 +59,7 @@ static const unsigned int BLOCKFILE_CHUNK_SIZE = 0x1000000; // 16 MiB
 /** The pre-allocation chunk size for rev?????.dat files (since 0.8) */
 static const unsigned int UNDOFILE_CHUNK_SIZE = 0x100000; // 1 MiB
 /** Dust Soft Limit, allowed with additional fee per output */
-static const int64_t DUST_SOFT_LIMIT = 100000000;
+static const int64_t DUST_SOFT_LIMIT = COIN;
 /** Dust Hard Limit, ignored as wallet inputs (mininput default) */
 static const int64_t DUST_HARD_LIMIT = 1000000;
 /** Coinbase transaction outputs can only be spent after this number of new blocks (network rule) */
diff --git a/src/test/wallet_tests.cpp b/src/test/wallet_tests.cpp
index bd0517ae0..b32daba99 100644
--- a/src/test/wallet_tests.cpp
+++ b/src/test/wallet_tests.cpp
@@ -130,51 +130,51 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests)
         // now clear out the wallet and start again to test choosing between subsets of smaller coins and the next biggest coin
         empty_wallet();
 
-        add_coin( 6*CENT);
-        add_coin( 7*CENT);
-        add_coin( 8*CENT);
-        add_coin(20*CENT);
-        add_coin(30*CENT); // now we have 6+7+8+20+30 = 71 cents total
+        add_coin( 6*COIN);
+        add_coin( 7*COIN);
+        add_coin( 8*COIN);
+        add_coin(20*COIN);
+        add_coin(30*COIN); // now we have 6+7+8+20+30 = 71 coins total
 
         // check that we have 71 and not 72
-        BOOST_CHECK( wallet.SelectCoinsMinConf(71 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet));
-        BOOST_CHECK(!wallet.SelectCoinsMinConf(72 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet));
+        BOOST_CHECK( wallet.SelectCoinsMinConf(71 * COIN, 1, 1, vCoins, setCoinsRet, nValueRet));
+        BOOST_CHECK(!wallet.SelectCoinsMinConf(72 * COIN, 1, 1, vCoins, setCoinsRet, nValueRet));
 
-        // now try making 16 cents.  the best smaller coins can do is 6+7+8 = 21; not as good at the next biggest coin, 20
-        BOOST_CHECK( wallet.SelectCoinsMinConf(16 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet));
-        BOOST_CHECK_EQUAL(nValueRet, 20 * CENT); // we should get 20 in one coin
+        // now try making 16 coins.  the best smaller coins can do is 6+7+8 = 21; not as good at the next biggest coin, 20
+        BOOST_CHECK( wallet.SelectCoinsMinConf(16 * COIN, 1, 1, vCoins, setCoinsRet, nValueRet));
+        BOOST_CHECK_EQUAL(nValueRet, 20 * COIN); // we should get 20 in one coin
         BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U);
 
-        add_coin( 5*CENT); // now we have 5+6+7+8+20+30 = 75 cents total
+        add_coin( 5*COIN); // now we have 5+6+7+8+20+30 = 75 coins total
 
-        // now if we try making 16 cents again, the smaller coins can make 5+6+7 = 18 cents, better than the next biggest coin, 20
-        BOOST_CHECK( wallet.SelectCoinsMinConf(16 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet));
-        BOOST_CHECK_EQUAL(nValueRet, 18 * CENT); // we should get 18 in 3 coins
+        // now if we try making 16 coins again, the smaller coins can make 5+6+7 = 18 coins, better than the next biggest coin, 20
+        BOOST_CHECK( wallet.SelectCoinsMinConf(16 * COIN, 1, 1, vCoins, setCoinsRet, nValueRet));
+        BOOST_CHECK_EQUAL(nValueRet, 18 * COIN); // we should get 18 in 3 coins
         BOOST_CHECK_EQUAL(setCoinsRet.size(), 3U);
 
-        add_coin( 18*CENT); // now we have 5+6+7+8+18+20+30
+        add_coin( 18*COIN); // now we have 5+6+7+8+18+20+30
 
-        // and now if we try making 16 cents again, the smaller coins can make 5+6+7 = 18 cents, the same as the next biggest coin, 18
-        BOOST_CHECK( wallet.SelectCoinsMinConf(16 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet));
-        BOOST_CHECK_EQUAL(nValueRet, 18 * CENT);  // we should get 18 in 1 coin
+        // and now if we try making 16 coins again, the smaller coins can make 5+6+7 = 18 coins, the same as the next biggest coin, 18
+        BOOST_CHECK( wallet.SelectCoinsMinConf(16 * COIN, 1, 1, vCoins, setCoinsRet, nValueRet));
+        BOOST_CHECK_EQUAL(nValueRet, 18 * COIN);  // we should get 18 in 1 coin
         BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U); // because in the event of a tie, the biggest coin wins
 
-        // now try making 11 cents.  we should get 5+6
-        BOOST_CHECK( wallet.SelectCoinsMinConf(11 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet));
-        BOOST_CHECK_EQUAL(nValueRet, 11 * CENT);
+        // now try making 11 coins.  we should get 5+6
+        BOOST_CHECK( wallet.SelectCoinsMinConf(11 * COIN, 1, 1, vCoins, setCoinsRet, nValueRet));
+        BOOST_CHECK_EQUAL(nValueRet, 11 * COIN);
         BOOST_CHECK_EQUAL(setCoinsRet.size(), 2U);
 
         // check that the smallest bigger coin is used
-        add_coin( 1*COIN);
-        add_coin( 2*COIN);
-        add_coin( 3*COIN);
-        add_coin( 4*COIN); // now we have 5+6+7+8+18+20+30+100+200+300+400 = 1094 cents
-        BOOST_CHECK( wallet.SelectCoinsMinConf(95 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet));
-        BOOST_CHECK_EQUAL(nValueRet, 1 * COIN);  // we should get 1 BTC in 1 coin
+        add_coin( 100*COIN);
+        add_coin( 200*COIN);
+        add_coin( 300*COIN);
+        add_coin( 400*COIN); // now we have 5+6+7+8+18+20+30+100+200+300+400 = 1094 coins
+        BOOST_CHECK( wallet.SelectCoinsMinConf(95 * COIN, 1, 1, vCoins, setCoinsRet, nValueRet));
+        BOOST_CHECK_EQUAL(nValueRet, 100 * COIN);  // we should get 200 DOGE in 1 coin.
         BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U);
 
-        BOOST_CHECK( wallet.SelectCoinsMinConf(195 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet));
-        BOOST_CHECK_EQUAL(nValueRet, 2 * COIN);  // we should get 2 BTC in 1 coin
+        BOOST_CHECK( wallet.SelectCoinsMinConf(195 * COIN, 1, 1, vCoins, setCoinsRet, nValueRet));
+        BOOST_CHECK_EQUAL(nValueRet, 200 * COIN);  // we should get 3 DOGE in 1 coin
         BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U);
 
         // empty the wallet and start again, now with fractions of a cent, to test sub-cent change avoidance
@@ -240,18 +240,18 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests)
 
         // test avoiding sub-cent change
         empty_wallet();
-        add_coin(0.0005 * COIN);
-        add_coin(0.01 * COIN);
+        add_coin(0.05 * COIN);
         add_coin(1 * COIN);
+        add_coin(100 * COIN);
 
-        // trying to make 1.0001 from these three coins
-        BOOST_CHECK( wallet.SelectCoinsMinConf(1.0001 * COIN, 1, 1, vCoins, setCoinsRet, nValueRet));
-        BOOST_CHECK_EQUAL(nValueRet, 1.0105 * COIN);   // we should get all coins
+        // trying to make 100.01 from these three coins
+        BOOST_CHECK( wallet.SelectCoinsMinConf(100.01 * COIN, 1, 1, vCoins, setCoinsRet, nValueRet));
+        BOOST_CHECK_EQUAL(nValueRet, 101.05 * COIN);   // we should get all coins
         BOOST_CHECK_EQUAL(setCoinsRet.size(), 3U);
 
-        // but if we try to make 0.999, we should take the bigger of the two small coins to avoid sub-cent change
-        BOOST_CHECK( wallet.SelectCoinsMinConf(0.999 * COIN, 1, 1, vCoins, setCoinsRet, nValueRet));
-        BOOST_CHECK_EQUAL(nValueRet, 1.01 * COIN);   // we should get 1 + 0.01
+        // but if we try to make 99.9, we should take the bigger of the two small coins to avoid sub-cent change
+        BOOST_CHECK( wallet.SelectCoinsMinConf(99.9 * COIN, 1, 1, vCoins, setCoinsRet, nValueRet));
+        BOOST_CHECK_EQUAL(nValueRet, 101 * COIN);   // we should get 100 + 1
         BOOST_CHECK_EQUAL(setCoinsRet.size(), 2U);
 
         // test randomness
diff --git a/src/wallet.cpp b/src/wallet.cpp
index c6bb835e5..feeee86ce 100644
--- a/src/wallet.cpp
+++ b/src/wallet.cpp
@@ -1226,8 +1226,14 @@ bool CWallet::SelectCoinsMinConf(int64_t nTargetValue, int nConfMine, int nConfT
             nValueRet += coin.first;
             return true;
         }
-        else if (n < nTargetValue + COIN)
+        else if (n < nTargetValue + DUST_SOFT_LIMIT)
         {
+            // This coin is not sufficient to cover the target plus change above the dust
+            // limit. The dust limit is important here, as we don't want to leave change
+            // which cannot be spent (is below the network transaction fee).
+            
+            // Push the coin into an array for potential matching later, but keep trying to find
+            // an exact match
             vValue.push_back(coin);
             nTotalLower += n;
         }
@@ -1262,13 +1268,13 @@ bool CWallet::SelectCoinsMinConf(int64_t nTargetValue, int nConfMine, int nConfT
     int64_t nBest;
 
     ApproximateBestSubset(vValue, nTotalLower, nTargetValue, vfBest, nBest, 1000);
-    if (nBest != nTargetValue && nTotalLower >= nTargetValue + COIN)
-        ApproximateBestSubset(vValue, nTotalLower, nTargetValue + COIN, vfBest, nBest, 1000);
+    if (nBest != nTargetValue && nTotalLower >= nTargetValue + DUST_SOFT_LIMIT)
+        ApproximateBestSubset(vValue, nTotalLower, nTargetValue + DUST_SOFT_LIMIT, vfBest, nBest, 1000);
 
     // If we have a bigger coin and (either the stochastic approximation didn't find a good solution,
     //                                   or the next bigger coin is closer), return the bigger coin
     if (coinLowestLarger.second.first &&
-        ((nBest != nTargetValue && nBest < nTargetValue + COIN) || coinLowestLarger.first <= nBest))
+        ((nBest != nTargetValue && nBest < nTargetValue + DUST_SOFT_LIMIT) || coinLowestLarger.first <= nBest))
     {
         setCoinsRet.insert(coinLowestLarger.second);
         nValueRet += coinLowestLarger.first;