diff --git a/CHANGES b/CHANGES
index 27653f6a4..fa3880911 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5,6 +5,7 @@ Emulation fixes:
  - GB Video: Fix window y changing mid-window (fixes mgba.io/i/1345)
  - GB Video: Fix more window edge cases (fixes mgba.io/i/1346)
  - GB Timer: Fix timing adjustments when writing to TAC (fixes mgba.io/i/1340)
+ - GBA Memory: Fix writing to OBJ memory in modes 3 and 5
 Other fixes:
  - Qt: More app metadata fixes
  - Qt: Fix load recent from archive (fixes mgba.io/i/1325)
diff --git a/src/gba/memory.c b/src/gba/memory.c
index c779853b5..72cf6e9a1 100644
--- a/src/gba/memory.c
+++ b/src/gba/memory.c
@@ -938,7 +938,7 @@ void GBAStore8(struct ARMCore* cpu, uint32_t address, int8_t value, int* cycleCo
 		GBAStore16(cpu, address & ~1, ((uint8_t) value) | ((uint8_t) value << 8), cycleCounter);
 		break;
 	case REGION_VRAM:
-		if ((address & 0x0001FFFF) >= ((GBARegisterDISPCNTGetMode(gba->memory.io[REG_DISPCNT >> 1]) == 4) ? 0x00014000 : 0x00010000)) {
+		if ((address & 0x0001FFFF) >= ((GBARegisterDISPCNTGetMode(gba->memory.io[REG_DISPCNT >> 1]) >= 3) ? 0x00014000 : 0x00010000)) {
 			// TODO: check BG mode
 			mLOG(GBA_MEM, GAME_ERROR, "Cannot Store8 to OBJ: 0x%08X", address);
 			break;