diff --git a/CHANGES b/CHANGES
index 596cf1fc3..8ccda3e3e 100644
--- a/CHANGES
+++ b/CHANGES
@@ -3,6 +3,7 @@ Emulation fixes:
  - GBA Memory: Misaligned SRAM writes are ignored
  - GBA Serialize: Fix serializing DMA transfer register
  - GBA Serialize: Fix audio DMA timing deserialization
+ - GBA Video: Fix OAM not invalidating after reset (fixes mgba.io/i/1630)
 Other fixes:
  - Qt: Only dynamically reset video scale if a game is running
  - Qt: Fix race condition with proxied video events
diff --git a/src/gba/renderers/gl.c b/src/gba/renderers/gl.c
index 3c433e81f..2c3da02e0 100644
--- a/src/gba/renderers/gl.c
+++ b/src/gba/renderers/gl.c
@@ -931,6 +931,7 @@ void GBAVideoGLRendererDeinit(struct GBAVideoRenderer* renderer) {
 void GBAVideoGLRendererReset(struct GBAVideoRenderer* renderer) {
 	struct GBAVideoGLRenderer* glRenderer = (struct GBAVideoGLRenderer*) renderer;
 
+	glRenderer->oamDirty = true;
 	glRenderer->paletteDirty = true;
 	glRenderer->vramDirty = 0xFFFFFF;
 	glRenderer->firstAffine = -1;