diff --git a/src/plugins/texteditor/texteditor.cpp b/src/plugins/texteditor/texteditor.cpp
index 81c833e72ed..e0f1afe2d6f 100644
--- a/src/plugins/texteditor/texteditor.cpp
+++ b/src/plugins/texteditor/texteditor.cpp
@@ -2609,7 +2609,7 @@ void TextEditorWidget::keyPressEvent(QKeyEvent *e)
 
     if (ro || !isPrintableText(eventText)) {
         QTextCursor::MoveOperation blockSelectionOperation = QTextCursor::NoMove;
-        if (e->modifiers() & Qt::AltModifier && !Utils::HostOsInfo::isMacHost()) {
+        if (e->modifiers() == (Qt::AltModifier | Qt::ShiftModifier) && !Utils::HostOsInfo::isMacHost()) {
             if (MultiTextCursor::multiCursorAddEvent(e, QKeySequence::MoveToNextLine))
                 blockSelectionOperation = QTextCursor::Down;
             else if (MultiTextCursor::multiCursorAddEvent(e, QKeySequence::MoveToPreviousLine))