diff --git a/builds/genesis_plus_gx_libretro.dll b/builds/genesis_plus_gx_libretro.dll
index eec04a0..d66bb7d 100644
Binary files a/builds/genesis_plus_gx_libretro.dll and b/builds/genesis_plus_gx_libretro.dll differ
diff --git a/builds/genplus_cube.dol b/builds/genplus_cube.dol
index be91b7d..63fd536 100644
Binary files a/builds/genplus_cube.dol and b/builds/genplus_cube.dol differ
diff --git a/builds/genplus_wii.dol b/builds/genplus_wii.dol
index 99333b0..869baf6 100644
Binary files a/builds/genplus_wii.dol and b/builds/genplus_wii.dol differ
diff --git a/core/cart_hw/md_cart.c b/core/cart_hw/md_cart.c
index c4f34a6..e382ef3 100644
--- a/core/cart_hw/md_cart.c
+++ b/core/cart_hw/md_cart.c
@@ -950,7 +950,7 @@ static void mapper_512k_w(uint32 address, uint32 data)
 static void mapper_ssf2_w(uint32 address, uint32 data)
 {
   /* only banks 1-7 are remappable, bank 0 remains unchanged */
-  if (address)
+  if (address & 0x0E)
   {
     mapper_512k_w(address, data);
   }