diff --git a/CHANGES b/CHANGES
index 57d496004..52ed7866b 100644
--- a/CHANGES
+++ b/CHANGES
@@ -6,6 +6,7 @@ Bugfixes:
  - Qt: Reenable double buffering, as disabling it broke some Windows configs
  - GBA Video: Start on the scanline BIOS finishes on if no BIOS is loaded
  - GBA: Deinit savegame when unloading a ROM
+ - GBA: Fix BIOS check on big endian
 Misc:
  - Qt: Remove useless help icons in dialogs
  - GBA: Attempting to save a screenshot-style savestate should be allowed without libpng
diff --git a/src/gba/gba.c b/src/gba/gba.c
index 17dfeb5d4..71006274b 100644
--- a/src/gba/gba.c
+++ b/src/gba/gba.c
@@ -666,7 +666,9 @@ bool GBAIsBIOS(struct VFile* vf) {
 	}
 	int i;
 	for (i = 0; i < 7; ++i) {
-		if ((interruptTable[i] & 0xFFFF0000) != 0xEA000000) {
+		uint32_t interrupt;
+		LOAD_32(interrupt, i * sizeof(uint32_t), interruptTable);
+		if ((interrupt & 0xFFFF0000) != 0xEA000000) {
 			return false;
 		}
 	}