diff --git a/LEGO1/lego/legoomni/include/act3.h b/LEGO1/lego/legoomni/include/act3.h
index 8b31ea73..dc81160c 100644
--- a/LEGO1/lego/legoomni/include/act3.h
+++ b/LEGO1/lego/legoomni/include/act3.h
@@ -155,7 +155,7 @@ class Act3 : public LegoWorld {
 		const Matrix4& p_destination,
 		const Matrix4& p_startPosition,
 		const Matrix4& p_endPosition,
-		const MxQuaternionTransformer& p_unk0x1f4
+		const MxQuaternionTransformer& p_quatTransform
 	);
 
 	Act3State* m_state;                 // 0xf8
diff --git a/LEGO1/lego/legoomni/src/worlds/act3.cpp b/LEGO1/lego/legoomni/src/worlds/act3.cpp
index 2853d240..daee3b2d 100644
--- a/LEGO1/lego/legoomni/src/worlds/act3.cpp
+++ b/LEGO1/lego/legoomni/src/worlds/act3.cpp
@@ -793,7 +793,7 @@ void Act3::DebugCopter(
 	const Matrix4& p_destination,
 	const Matrix4& p_startPosition,
 	const Matrix4& p_endPosition,
-	const MxQuaternionTransformer& p_unk0x1f4
+	const MxQuaternionTransformer& p_quatTransform
 )
 {
 	DebugPrintf("Copter matrix...\n\n");
@@ -825,8 +825,8 @@ void Act3::DebugCopter(
 
 	Mx4DPointFloat startQuat, endQuat;
 
-	if (p_unk0x1f4.GetFlags() != 0) {
-		p_unk0x1f4.GetQuat(startQuat, endQuat);
+	if (p_quatTransform.GetFlags() != 0) {
+		p_quatTransform.GetQuat(startQuat, endQuat);
 
 		DebugPrintf("Source quaternion...");
 		// STRING: LEGO1 0x100f7864