diff --git a/desmume/src/NDSSystem.cpp b/desmume/src/NDSSystem.cpp
index bf6120b8f..646d03231 100644
--- a/desmume/src/NDSSystem.cpp
+++ b/desmume/src/NDSSystem.cpp
@@ -949,6 +949,8 @@ int NDS_LoadROM(const char *filename, const char *logicalFilename)
 #endif
 void NDS_FreeROM(void)
 {
+	if ((u8*)MMU.CART_ROM == (u8*)gameInfo.romdata)
+		gameInfo.romdata = NULL;
 	if (MMU.CART_ROM != MMU.UNUSED_RAM)
 		delete [] MMU.CART_ROM;
 	MMU_unsetRom();