diff --git a/stepmania/src/PrefsManager.cpp b/stepmania/src/PrefsManager.cpp
index 82b89e8d17..e71727a989 100644
--- a/stepmania/src/PrefsManager.cpp
+++ b/stepmania/src/PrefsManager.cpp
@@ -176,7 +176,7 @@ PrefsManager::PrefsManager()
 	m_bEndlessBreakEnabled = true;
 	m_iEndlessNumStagesUntilBreak = 5;
 	m_iEndlessBreakLength = 5;
-	m_bDisableScreenSaver = false; // causes flickering in X; why?
+	m_bDisableScreenSaver = true;
 
 	// set to 0 so people aren't shocked at first
 	m_iProgressiveLifebar = 0;