diff --git a/stepmania/src/arch/MemoryCard/MemoryCardDriverThreaded_Windows.cpp b/stepmania/src/arch/MemoryCard/MemoryCardDriverThreaded_Windows.cpp
index f3591eabe3..18aa565fd7 100644
--- a/stepmania/src/arch/MemoryCard/MemoryCardDriverThreaded_Windows.cpp
+++ b/stepmania/src/arch/MemoryCard/MemoryCardDriverThreaded_Windows.cpp
@@ -75,6 +75,7 @@ void MemoryCardDriverThreaded_Windows::MountThreadDoOneUpdate()
 	else if( dwNewLogicalDrives == m_dwLastLogicalDrives )
 	{
 		// no change from last update
+		usleep( 50000 );
 		return;
 	}