diff --git a/CHANGES b/CHANGES
index 147e74d77..2789e1f3e 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+0.5.2: (Future)
+Bugfixes:
+ - GBA Memory: Fix misaligned BIOS reads
+
 0.5.1: (2016-10-05)
 Bugfixes:
  - Core: Fix importing save games as read-only
diff --git a/src/gba/memory.c b/src/gba/memory.c
index 358f8ff93..1f329f7eb 100644
--- a/src/gba/memory.c
+++ b/src/gba/memory.c
@@ -352,7 +352,7 @@ static void GBASetActiveRegion(struct ARMCore* cpu, uint32_t address) {
 #define LOAD_BIOS \
 	if (address < SIZE_BIOS) { \
 		if (memory->activeRegion == REGION_BIOS) { \
-			LOAD_32(value, address, memory->bios); \
+			LOAD_32(value, address & -4, memory->bios); \
 		} else { \
 			mLOG(GBA_MEM, GAME_ERROR, "Bad BIOS Load32: 0x%08X", address); \
 			value = memory->biosPrefetch; \
@@ -479,7 +479,7 @@ uint32_t GBALoad16(struct ARMCore* cpu, uint32_t address, int* cycleCounter) {
 	case REGION_BIOS:
 		if (address < SIZE_BIOS) {
 			if (memory->activeRegion == REGION_BIOS) {
-				LOAD_16(value, address, memory->bios);
+				LOAD_16(value, address & -2, memory->bios);
 			} else {
 				mLOG(GBA_MEM, GAME_ERROR, "Bad BIOS Load16: 0x%08X", address);
 				value = (memory->biosPrefetch >> ((address & 2) * 8)) & 0xFFFF;