diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
index 9449b8ad7..7c4a6d4c6 100644
--- a/src/wallet/wallet2.cpp
+++ b/src/wallet/wallet2.cpp
@@ -13446,6 +13446,8 @@ bool wallet2::check_reserve_proof(const cryptonote::account_public_address &addr
   {
     THROW_WALLET_EXCEPTION_IF(!seen_key_images.insert(proof.key_image).second, error::wallet_internal_error, "Duplicate key image in reserve proof");
     THROW_WALLET_EXCEPTION_IF(!seen_outputs.emplace(proof.txid, proof.index_in_tx).second, error::wallet_internal_error, "Duplicate output in reserve proof");
+    THROW_WALLET_EXCEPTION_IF(rct::ki2rct(proof.key_image) == rct::identity() || !rct::isInMainSubgroup(rct::ki2rct(proof.key_image)),
+      error::wallet_internal_error, "Invalid key image in reserve proof");
   }
 
   THROW_WALLET_EXCEPTION_IF(subaddr_spendkeys.count(address.m_spend_public_key) == 0, error::wallet_internal_error,