Index: source/main.cpp
===================================================================
--- source/main.cpp
+++ source/main.cpp
@@ -407,9 +407,7 @@
 	g_Console->Update(realTimeSinceLastFrame);
 	ogl_WarnIfError();
 
-	// We do not have to render an inactive fullscreen frame, because it can
-	// lead to errors for some graphic card families.
-	if (!g_app_minimized && (g_app_has_focus || !g_VideoMode.IsInFullscreen()))
+	if (!g_app_minimized)
 	{
 		Render();
 
Index: source/ps/GameSetup/GameSetup.cpp
===================================================================
--- source/ps/GameSetup/GameSetup.cpp
+++ source/ps/GameSetup/GameSetup.cpp
@@ -192,6 +192,11 @@
 
 void Render()
 {
+	// Do not render if not focused while in fullscreen or minimised,
+	// as that triggers a difficult-to-reproduce crash on some graphic cards.
+	if (g_app_minimized || (!g_app_has_focus && g_VideoMode.IsInFullscreen()))
+		return;
+
 	PROFILE3("render");
 
 	if (g_SoundManager)