diff --git a/src/txdb.cpp b/src/txdb.cpp
index 5d61388b078..141c31c5d51 100644
--- a/src/txdb.cpp
+++ b/src/txdb.cpp
@@ -67,7 +67,10 @@ void CCoinsViewDB::ResizeCache(size_t new_cache_size)
 
 std::optional<Coin> CCoinsViewDB::GetCoin(const COutPoint& outpoint) const
 {
-    if (Coin coin; m_db->Read(CoinEntry(&outpoint), coin)) return coin;
+    if (Coin coin; m_db->Read(CoinEntry(&outpoint), coin)) {
+        Assert(!coin.IsSpent()); // The UTXO database should never contain spent coins
+        return coin;
+    }
     return std::nullopt;
 }