diff --git a/src/rdp_display_widget.cpp b/src/rdp_display_widget.cpp
index 85349f2..6e712f9 100644
--- a/src/rdp_display_widget.cpp
+++ b/src/rdp_display_widget.cpp
@@ -147,10 +147,16 @@ void RdpDisplayWidget::resizeEvent(QResizeEvent* event)
 
 void RdpDisplayWidget::keyPressEvent(QKeyEvent* event)
 {
-    if (event == nullptr || event->isAutoRepeat()) {
+    if (event == nullptr) {
         return;
     }
 
+    // Auto-repeat presses must reach the remote server so it can perform
+    // its own typematic repeat, exactly as a physical keyboard held down
+    // would. Only release events filter out isAutoRepeat() (below), since
+    // Qt uses a synthetic release/press pair purely to normalize platform
+    // auto-repeat quirks -- forwarding that synthetic release would send a
+    // spurious key-up for a key that is still physically held.
     emit keyInput(event->key(),
                   event->nativeScanCode(),
                   event->text(),