diff --git a/CHANGES b/CHANGES
index 8ea25461c..86a862548 100644
--- a/CHANGES
+++ b/CHANGES
@@ -20,6 +20,7 @@ Bugfixes:
  - GBA BIOS: Fix Sqrt sign
  - GBA BIOS: Fix misaligned RLUnCompReadNormalWrite*
  - Qt: Fix race condition with setting sample rate
+ - GBA Memory: Fix timing of DMAs
 Misc:
  - GBA Audio: Implement missing flags on SOUNDCNT_X register
 
diff --git a/src/gba/memory.c b/src/gba/memory.c
index ba0d8047c..0c5c91cd1 100644
--- a/src/gba/memory.c
+++ b/src/gba/memory.c
@@ -1453,9 +1453,10 @@ void GBAMemoryServiceDMA(struct GBA* gba, int number, struct GBADMA* info) {
 	uint32_t destRegion = dest >> BASE_OFFSET;
 	int32_t cycles = 2;
 
-	if (source == info->source) {
-		// TODO: support 4 cycles for ROM access
-		cycles += 2;
+	if (source == info->source && dest == info->dest && wordsRemaining == info->count) {
+		if (sourceRegion < REGION_CART0 || destRegion < REGION_CART0) {
+			cycles += 2;
+		}
 		if (width == 4) {
 			cycles += memory->waitstatesNonseq32[sourceRegion] + memory->waitstatesNonseq32[destRegion];
 			source &= 0xFFFFFFFC;