--- a/kernel/eka/drivers/medmmc/medmmc.cpp	Fri Aug 06 16:34:38 2010 +0100
+++ b/kernel/eka/drivers/medmmc/medmmc.cpp	Thu Aug 12 11:55:14 2010 +0100
@@ -2726,6 +2726,9 @@
 	iMedReq = aRequest;
 	SetCurrentConsumption(aCurrent);
 
+	// Reset the card pointer just in case the stack has changed it.
+	iSession->SetCard(iCard);
+
 	TInt r = InCritical();
 	if (r == KErrNone)
 		{