diff --git a/CHANGES b/CHANGES
index e93d191bd..726d41b64 100644
--- a/CHANGES
+++ b/CHANGES
@@ -26,6 +26,7 @@ Bugfixes:
  - GBA Memory: Fix VCOUNT being writable
  - GBA Memory: Improve initial skipped BIOS state
  - Qt: Only reset window dimensions when first shown
+ - GB Memory: Fix starting HDMAs during mode 0
 Misc:
  - SDL: Remove scancode key input
  - GBA Video: Clean up unused timers
diff --git a/src/gb/memory.c b/src/gb/memory.c
index 275dab1de..0f874030b 100644
--- a/src/gb/memory.c
+++ b/src/gb/memory.c
@@ -394,7 +394,7 @@ void GBMemoryWriteHDMA5(struct GB* gb, uint8_t value) {
 	gb->memory.hdmaDest |= 0x8000;
 	bool wasHdma = gb->memory.isHdma;
 	gb->memory.isHdma = value & 0x80;
-	if (!wasHdma && !gb->memory.isHdma) {
+	if ((!wasHdma && !gb->memory.isHdma) || gb->video.mode == 0) {
 		gb->memory.hdmaRemaining = ((value & 0x7F) + 1) * 0x10;
 		gb->memory.hdmaNext = gb->cpu->cycles;
 		gb->cpu->nextEvent = gb->cpu->cycles;