diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 0ec0a1f0e..622a9b151 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -2383,6 +2383,11 @@ void CWallet::AvailableCoins(vector<COutput>& vCoins, bool fOnlyConfirmed, const
             if (nDepth == 0 && !pcoin->InMempool())
                 continue;
 
+            // We should not consider coins which aren't at least in our mempool
+            // It's possible for these to be conflicted via ancestors which we may never be able to detect
+            if (nDepth == 0 && !pcoin->InMempool())
+                continue;
+
             for (unsigned int i = 0; i < pcoin->vout.size(); i++) {
                 bool found = false;
                 if(nCoinType == ONLY_DENOMINATED) {