diff --git a/src/simplewallet/simplewallet.cpp b/src/simplewallet/simplewallet.cpp
index 4853a6619..6f87a8da3 100644
--- a/src/simplewallet/simplewallet.cpp
+++ b/src/simplewallet/simplewallet.cpp
@@ -10117,14 +10117,15 @@ bool simple_wallet::show_transfer(const std::vector<std::string> &args)
       if (pd.m_unlock_time < CRYPTONOTE_MAX_BLOCK_NUMBER)
       {
         uint64_t bh = std::max(pd.m_unlock_time, pd.m_block_height + CRYPTONOTE_DEFAULT_TX_SPENDABLE_AGE);
+        const uint64_t confirmations = last_block_height > pd.m_block_height ? last_block_height - pd.m_block_height : 0;
         uint64_t last_block_reward = m_wallet->get_last_block_reward();
         uint64_t suggested_threshold = last_block_reward ? (pd.m_amount + last_block_reward - 1) / last_block_reward : 0;
         if (bh >= last_block_height)
           success_msg_writer() << "Locked: " << (bh - last_block_height) << " blocks to unlock";
         else if (suggested_threshold > 0)
-          success_msg_writer() << std::to_string(last_block_height - bh) << " confirmations (" << suggested_threshold << " suggested threshold)";
+          success_msg_writer() << std::to_string(confirmations) << " confirmations (" << suggested_threshold << " suggested threshold)";
         else
-          success_msg_writer() << std::to_string(last_block_height - bh) << " confirmations";
+          success_msg_writer() << std::to_string(confirmations) << " confirmations";
       }
       else
       {