diff --git a/src/qt/transactiondesc.cpp b/src/qt/transactiondesc.cpp
index e358c12e9..d5b08448d 100644
--- a/src/qt/transactiondesc.cpp
+++ b/src/qt/transactiondesc.cpp
@@ -14,7 +14,7 @@ QString TransactionDesc::FormatTxStatus(const CWalletTx& wtx)
     if (!wtx.IsFinal())
     {
         if (wtx.nLockTime < LOCKTIME_THRESHOLD)
-            return tr("Open for %n block(s)", "", nBestHeight - wtx.nLockTime);
+            return tr("Open for %n more block(s)", "", wtx.nLockTime - nBestHeight + 1);
         else
             return tr("Open until %1").arg(GUIUtil::dateTimeStr(wtx.nLockTime));
     }
diff --git a/src/qt/transactionrecord.cpp b/src/qt/transactionrecord.cpp
index 4c3071984..40a5f735c 100644
--- a/src/qt/transactionrecord.cpp
+++ b/src/qt/transactionrecord.cpp
@@ -167,7 +167,7 @@ void TransactionRecord::updateStatus(const CWalletTx &wtx)
         if (wtx.nLockTime < LOCKTIME_THRESHOLD)
         {
             status.status = TransactionStatus::OpenUntilBlock;
-            status.open_for = nBestHeight - wtx.nLockTime;
+            status.open_for = wtx.nLockTime - nBestHeight + 1;
         }
         else
         {
diff --git a/src/qt/transactionrecord.h b/src/qt/transactionrecord.h
index db06374c4..f6570803d 100644
--- a/src/qt/transactionrecord.h
+++ b/src/qt/transactionrecord.h
@@ -47,7 +47,9 @@ public:
        @{*/
     Status status;
     int64 depth;
-    int64 open_for; /**< Timestamp if status==OpenUntilDate, otherwise number of blocks */
+    int64 open_for; /**< Timestamp if status==OpenUntilDate, otherwise number
+                      of additional blocks that need to be mined before
+                      finalization */
     /**@}*/
 
     /** Current number of blocks (to know whether cached status is still valid) */
diff --git a/src/qt/transactiontablemodel.cpp b/src/qt/transactiontablemodel.cpp
index 847c9e973..aef0e409b 100644
--- a/src/qt/transactiontablemodel.cpp
+++ b/src/qt/transactiontablemodel.cpp
@@ -280,7 +280,7 @@ QString TransactionTableModel::formatTxStatus(const TransactionRecord *wtx) cons
     switch(wtx->status.status)
     {
     case TransactionStatus::OpenUntilBlock:
-        status = tr("Open for %n block(s)","",wtx->status.open_for);
+        status = tr("Open for %n more block(s)","",wtx->status.open_for);
         break;
     case TransactionStatus::OpenUntilDate:
         status = tr("Open until %1").arg(GUIUtil::dateTimeStr(wtx->status.open_for));