diff --git a/doomsday/libappfw/src/widgets/dialogwidget.cpp b/doomsday/libappfw/src/widgets/dialogwidget.cpp
index fecfabef6d..af0ae7e5b4 100644
--- a/doomsday/libappfw/src/widgets/dialogwidget.cpp
+++ b/doomsday/libappfw/src/widgets/dialogwidget.cpp
@@ -560,7 +560,7 @@ bool DialogWidget::handleEvent(Event const &event)
     if(d->modality == Modal)
     {
         // The event should already have been handled by the children.
-        if((event.isKeyDown() && !(event.as<KeyEvent>().qtKey() == Qt::Key_Shift)) ||
+        if((event.isKeyDown() && !event.as<KeyEvent>().isModifier()) ||
            (event.type() == Event::MouseButton &&
             event.as<MouseEvent>().state() == MouseEvent::Pressed &&
             !hitTest(event)))
diff --git a/doomsday/libappfw/src/widgets/lineeditwidget.cpp b/doomsday/libappfw/src/widgets/lineeditwidget.cpp
index c944bfb535..7b66e2ea86 100644
--- a/doomsday/libappfw/src/widgets/lineeditwidget.cpp
+++ b/doomsday/libappfw/src/widgets/lineeditwidget.cpp
@@ -423,6 +423,12 @@ bool LineEditWidget::handleEvent(Event const &event)
     {
         KeyEvent const &key = event.as<KeyEvent>();
 
+        if(key.isModifier())
+        {
+            // Don't eat modifier keys; the bindings system needs them.
+            return false;
+        }
+        /*
         if(key.qtKey() == Qt::Key_Shift)
         {
             // Shift is not eaten so that Shift-Tilde can produce ~.
@@ -434,8 +440,8 @@ bool LineEditWidget::handleEvent(Event const &event)
            key.qtKey() == Qt::Key_Meta)
         {
             // Modifier keys alone will be eaten when focused.
-            return true;
-        }
+            return false;
+        }*/
 
         if(d->signalOnEnter && (key.qtKey() == Qt::Key_Enter || key.qtKey() == Qt::Key_Return))
         {
diff --git a/doomsday/libgui/include/de/gui/keyevent.h b/doomsday/libgui/include/de/gui/keyevent.h
index 0d8329bd6f..6c9ae5e147 100644
--- a/doomsday/libgui/include/de/gui/keyevent.h
+++ b/doomsday/libgui/include/de/gui/keyevent.h
@@ -64,6 +64,7 @@ class LIBGUI_PUBLIC KeyEvent : public de::Event
     inline int nativeCode() const { return _nativeCode; }
     inline de::String const &text() const { return _text; }
     inline Modifiers modifiers() const { return _mods; }
+    bool isModifier() const;
 
     /**
      * Translates a Qt key code to a Doomsday key code (see ddkey.h).
diff --git a/doomsday/libgui/src/keyevent.cpp b/doomsday/libgui/src/keyevent.cpp
index b74562ded0..e4ff747fb5 100644
--- a/doomsday/libgui/src/keyevent.cpp
+++ b/doomsday/libgui/src/keyevent.cpp
@@ -430,4 +430,10 @@ KeyEvent::State KeyEvent::state() const
     }
 }
 
+bool KeyEvent::isModifier() const
+{
+    return _qtKey == Qt::Key_Shift || _qtKey == Qt::Key_Control ||
+           _qtKey == Qt::Key_Alt   || _qtKey == Qt::Key_Meta;
+}
+
 } // namespace de