diff --git a/workspace/all/cores/patches/picodrive/001-skip-ram-patching-on-sms.patch b/workspace/all/cores/patches/picodrive/001-skip-ram-patching-on-sms.patch
new file mode 100644
index 000000000..55448b869
--- /dev/null
+++ b/workspace/all/cores/patches/picodrive/001-skip-ram-patching-on-sms.patch
@@ -0,0 +1,20 @@
+--- a/platform/libretro/libretro.c
++++ b/platform/libretro/libretro.c
+@@ -856,7 +856,7 @@
+ 		if (addr < Pico.romsize) {
+ 			if (PicoPatches[i].active)
+ 				*(unsigned short *)(Pico.rom + addr) = PicoPatches[i].data_old;
+-		} else {
++		} else if (!(PicoIn.AHW & PAHW_SMS)) {
+ 			if (PicoPatches[i].active)
+ 				m68k_write16(PicoPatches[i].addr,PicoPatches[i].data_old);
+ 		}
+@@ -907,7 +907,7 @@
+ 		PicoPatches[PicoPatchCount].comp = pt.comp;
+ 		if (PicoPatches[PicoPatchCount].addr < Pico.romsize)
+ 			PicoPatches[PicoPatchCount].data_old = *(uint16_t *)(Pico.rom + PicoPatches[PicoPatchCount].addr);
+-		else
++		else if (!(PicoIn.AHW & PAHW_SMS))
+ 			PicoPatches[PicoPatchCount].data_old = (uint16_t) m68k_read16(PicoPatches[PicoPatchCount].addr);
+ 		PicoPatchCount++;
+