diff --git a/source/Memory.cpp b/source/Memory.cpp
index b192531b..9f1556af 100644
--- a/source/Memory.cpp
+++ b/source/Memory.cpp
@@ -914,7 +914,7 @@ static BYTE __stdcall IO_Cxxx(WORD programcounter, WORD address, BYTE write, BYT
 
 BYTE __stdcall IO_F8xx(WORD programcounter, WORD address, BYTE write, BYTE value, ULONG nCycles)	// NSC for Apple II/II+ (GH#827)
 {
-	if (IS_APPLE2 && g_NoSlotClock && !SW_HIGHRAM)
+	if (IS_APPLE2 && g_NoSlotClock && !SW_HIGHRAM && !SW_WRITERAM)
 	{
 		if (g_NoSlotClock->ReadWrite(address, value, write))
 			return value;