From db1b974a63511953a10575561e3f19386c6912ae Mon Sep 17 00:00:00 2001
From: iforce2d <iforce2d@gmail.com>
Date: Wed, 19 Aug 2026 05:50:23 +1200
Subject: [PATCH] fixed HT cross-axis coupling on BoxPro (tilt was affecting
 pan and roll

---
 src/core/ht.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/core/ht.c b/src/core/ht.c
index 9cb27e4f3..94f7fb5c8 100644
--- a/src/core/ht.c
+++ b/src/core/ht.c
@@ -44,7 +44,11 @@ static bool is_moving = true;
 static volatile bool calibrating = false;
 static int calibration_count = 0;
 
+#if defined(HDZGOGGLE) || defined(HDZGOGGLE2)
 static const float imu_orientation[3] = {0.0 * DEG_TO_RAD, -90.0 * DEG_TO_RAD, (-90.0 + 23.0) * DEG_TO_RAD};
+#elif defined HDZBOXPRO
+static const float imu_orientation[3] = {0.0 * DEG_TO_RAD, -90.0 * DEG_TO_RAD, -90.0 * DEG_TO_RAD};
+#endif
 
 static const int ppmMaxPulse = 500;
 static const int ppmMinPulse = -500;