diff --git a/CHANGES b/CHANGES
index 2f37e0bba..06c95e5f3 100644
--- a/CHANGES
+++ b/CHANGES
@@ -13,6 +13,7 @@ Bugfixes:
  - VFS: Fix return values of VFileFILE.read and .write
  - GBA Video: Fix edge case with sprite blend modes and semitransparency
  - GBA Video: Fix objwin and blending interaction on sprites
+ - GBA Video: Fix OBJ semitransparency improperly interacting with other blending ops
 Misc:
  - Qt: Remove useless help icons in dialogs
  - GBA: Attempting to save a screenshot-style savestate should be allowed without libpng
diff --git a/src/gba/renderers/software-obj.c b/src/gba/renderers/software-obj.c
index 0322394b2..c9d3c1d68 100644
--- a/src/gba/renderers/software-obj.c
+++ b/src/gba/renderers/software-obj.c
@@ -145,7 +145,10 @@ int GBAVideoSoftwareRendererPreprocessSprite(struct GBAVideoSoftwareRenderer* re
 	if (GBARegisterDISPCNTGetMode(renderer->dispcnt) >= 3 && GBAObjAttributesCGetTile(sprite->c) < 512) {
 		return 0;
 	}
-	int variant = renderer->target1Obj && GBAWindowControlIsBlendEnable(renderer->currentWindow.packed) && (renderer->blendEffect == BLEND_BRIGHTEN || renderer->blendEffect == BLEND_DARKEN);
+	int variant = renderer->target1Obj &&
+	              GBAWindowControlIsBlendEnable(renderer->currentWindow.packed) &&
+	              (renderer->blendEffect == BLEND_BRIGHTEN || renderer->blendEffect == BLEND_DARKEN) &&
+	              GBAObjAttributesAGetMode(sprite->a) != OBJ_MODE_SEMITRANSPARENT;
 	if (GBAObjAttributesAGetMode(sprite->a) == OBJ_MODE_SEMITRANSPARENT) {
 		int target2 = renderer->target2Bd << 4;
 		target2 |= renderer->bg[0].target2 << (renderer->bg[0].priority);