diff --git a/CHANGES b/CHANGES
index ab86dde0a..04a1e713f 100644
--- a/CHANGES
+++ b/CHANGES
@@ -11,6 +11,7 @@ Emulation fixes:
  - GB Audio: Fix channels 1/2 staying muted if restarted after long silence
  - GB Audio: Fix channel 1 restarting if sweep applies after stop (fixes mgba.io/i/2965)
  - GB I/O: Read back proper SVBK value after writing 0 (fixes mgba.io/i/2921)
+ - GB I/O: Fix STAT writing IRQ trigger conditions (fixes mgba.io/i/2501)
  - GB Serialize: Add missing Pocket Cam state to savestates
  - GB SIO: Disabling SIO should cancel pending transfers (fixes mgba.io/i/2537)
  - GB Video: Implement DMG-style sprite ordering
diff --git a/src/gb/video.c b/src/gb/video.c
index 3991b0d7e..37c1e3650 100644
--- a/src/gb/video.c
+++ b/src/gb/video.c
@@ -770,7 +770,10 @@ void GBVideoWriteSTAT(struct GBVideo* video, GBRegisterSTAT value) {
 	if (!GBRegisterLCDCIsEnable(video->p->memory.io[GB_REG_LCDC]) || video->p->model >= GB_MODEL_CGB) {
 		return;
 	}
-	if (!_statIRQAsserted(oldStat) && video->mode < 3) {
+	// Writing to STAT on a DMG selects all STAT IRQ types for one cycle.
+	// However, the signal that the mode 2 IRQ relies on is only high for
+	// one cycle, which we don't handle yet. TODO: Handle it.
+	if (!_statIRQAsserted(oldStat) && (video->mode < 2 || GBRegisterSTATIsLYC(video->stat))) {
 		// TODO: variable for the IRQ line value?
 		video->p->memory.io[GB_REG_IF] |= (1 << GB_IRQ_LCDSTAT);
 		GBUpdateIRQs(video->p);