diff --git a/CHANGES b/CHANGES
index 3844fbcf8..21fbc0fbf 100644
--- a/CHANGES
+++ b/CHANGES
@@ -27,6 +27,7 @@ Emulation fixes:
  - GBA Serialize: Fix some minor save state edge cases
  - GBA Video: Disable BG target 1 blending when OBJ blending (fixes mgba.io/i/2722)
  - GBA Video: Improve emulation of window start/end conditions (fixes mgba.io/i/1945)
+ - GBA Video: Fix transparent OBJWIN pixel/sprite priority interaction (fixes mgba.io/i/2809)
 Other fixes:
  - Core: Fix inconsistencies with setting game-specific overrides (fixes mgba.io/i/2963)
  - Debugger: Fix writing to specific segment in command-line debugger
diff --git a/src/gba/renderers/software-obj.c b/src/gba/renderers/software-obj.c
index 4152685c6..186db388d 100644
--- a/src/gba/renderers/software-obj.c
+++ b/src/gba/renderers/software-obj.c
@@ -103,6 +103,11 @@
 	tileData = (tileData >> ((localX & 3) << 2)) & 0xF; \
 	if (tileData) { \
 		renderer->row[outX] |= FLAG_OBJWIN; \
+	} else { \
+		current = renderer->spriteLayer[outX]; \
+		if (current != FLAG_UNWRITTEN && (current & FLAG_ORDER_MASK) > flags) { \
+			renderer->spriteLayer[outX] = (current & ~(FLAG_ORDER_MASK | FLAG_REBLEND | FLAG_TARGET_1)) | (flags & (FLAG_ORDER_MASK | FLAG_REBLEND | FLAG_TARGET_1)); \
+		} \
 	}
 
 #define SPRITE_XBASE_256(localX) unsigned xBase = (localX & ~0x7) * 8 + (localX & 6);
@@ -138,6 +143,11 @@
 	tileData = (tileData >> ((localX & 1) << 3)) & 0xFF; \
 	if (tileData) { \
 		renderer->row[outX] |= FLAG_OBJWIN; \
+	} else { \
+		current = renderer->spriteLayer[outX]; \
+		if (current != FLAG_UNWRITTEN && (current & FLAG_ORDER_MASK) > flags) { \
+			renderer->spriteLayer[outX] = (current & ~(FLAG_ORDER_MASK | FLAG_REBLEND | FLAG_TARGET_1)) | (flags & (FLAG_ORDER_MASK | FLAG_REBLEND | FLAG_TARGET_1)); \
+		} \
 	}
 
 int GBAVideoSoftwareRendererPreprocessSprite(struct GBAVideoSoftwareRenderer* renderer, struct GBAObj* sprite, int index, int y) {