diff --git a/src/dions.cpp b/src/dions.cpp
index 13068173..5ffc0031 100644
--- a/src/dions.cpp
+++ b/src/dions.cpp
@@ -1968,10 +1968,16 @@ bool searchAliasEncrypted2(string alias, uint256& wtxInHash)
           continue;
 
         const int nHeight = tx.GetHeightInMainChain();
+
         if(nHeight == -1)
               continue;
+
         assert(nHeight >= 0);
 
+        const int ex = nHeight + scaleMonitor() - pindexBest->nHeight;
+        if(ex <= 0)
+          continue;
+
         string strAddress = "";
         aliasAddress(tx, strAddress);
         string decrypted;