diff --git a/src/TerminalDisplay.cpp b/src/TerminalDisplay.cpp
--- a/src/TerminalDisplay.cpp
+++ b/src/TerminalDisplay.cpp
@@ -2679,14 +2679,20 @@
 
     int charColumn = 0;
     int charLine = 0;
-    getCharacterPosition(pos, charLine, charColumn, true);
+    getCharacterPosition(pos, charLine, charColumn, !_wordSelectionMode && !_lineSelectionMode);
 
     QPoint here = QPoint(charColumn, charLine);
+    here.rx() = qBound(0, here.x(), _columns - 1);
+    here.ry() = qBound(0, here.y(), _lines - 1);
     QPoint ohere;
     QPoint _iPntSelCorr = _iPntSel;
     _iPntSelCorr.ry() -= _scrollBar->value();
+    _iPntSelCorr.rx() = qBound(0, _iPntSelCorr.x(), _columns - 1);
+    _iPntSelCorr.ry() = qBound(0, _iPntSelCorr.y(), _lines - 1);
     QPoint _pntSelCorr = _pntSel;
     _pntSelCorr.ry() -= _scrollBar->value();
+    _pntSelCorr.rx() = qBound(0, _pntSelCorr.x(), _columns - 1);
+    _pntSelCorr.ry() = qBound(0, _pntSelCorr.y(), _lines - 1);
     bool swapping = false;
 
     if (_wordSelectionMode) {