diff --git a/doomsday/sdk/libappfw/src/vrwindowtransform.cpp b/doomsday/sdk/libappfw/src/vrwindowtransform.cpp
index 49490041b4..ca8cd32115 100644
--- a/doomsday/sdk/libappfw/src/vrwindowtransform.cpp
+++ b/doomsday/sdk/libappfw/src/vrwindowtransform.cpp
@@ -66,6 +66,8 @@ DENG2_PIMPL(VRWindowTransform)
 
     float displayModeDependentUIScalingFactor() const
     {
+        if(GuiWidget::toDevicePixels(1) == 1) return 1.0f; // Not enough pixels for good-quality scaling.
+
         // Since the UI style doesn't yet support scaling at runtime based on
         // display resolution (or any other factor).
         return 1.f / Rangef(.5f, 1.0f).clamp((self.window().width() - GuiWidget::toDevicePixels(256.f)) /