diff --git a/src/gba/gba.c b/src/gba/gba.c
index 86b597dc2..2fd1fbe7a 100644
--- a/src/gba/gba.c
+++ b/src/gba/gba.c
@@ -582,7 +582,7 @@ bool GBAIsROM(struct VFile* vf) {
 		uint32_t entry = ELFEntry(elf);
 		bool isGBA = true;
 		isGBA = isGBA && ELFMachine(elf) == EM_ARM;
-		isGBA = isGBA && (entry == BASE_CART0 || entry == BASE_WORKING_RAM);
+		isGBA = isGBA && (entry == BASE_CART0 || entry == BASE_WORKING_RAM + 0xC0);
 		ELFClose(elf);
 		return isGBA;
 	}
@@ -641,7 +641,7 @@ bool GBAIsMB(struct VFile* vf) {
 #ifdef USE_ELF
 	struct ELF* elf = ELFOpen(vf);
 	if (elf) {
-		bool isMB = ELFEntry(elf) == BASE_WORKING_RAM;
+		bool isMB = ELFEntry(elf) == BASE_WORKING_RAM + 0xC0;
 		ELFClose(elf);
 		return isMB;
 	}