diff --git a/libraries/AP_Frsky_Telem/AP_Frsky_SPort_Passthrough.cpp b/libraries/AP_Frsky_Telem/AP_Frsky_SPort_Passthrough.cpp
index 26212761307b4..c6e69d626c3e2 100644
--- a/libraries/AP_Frsky_Telem/AP_Frsky_SPort_Passthrough.cpp
+++ b/libraries/AP_Frsky_Telem/AP_Frsky_SPort_Passthrough.cpp
@@ -77,7 +77,7 @@ for FrSky SPort Passthrough
 #define WIND_ANGLE_LIMIT            0x7F
 #define WIND_SPEED_OFFSET           7
 #define WIND_APPARENT_ANGLE_OFFSET  15
-#define WIND_APPARENT_SPEED_OFFSET  23
+#define WIND_APPARENT_SPEED_OFFSET  22
 // for waypoint data
 #define WP_NUMBER_LIMIT             2047
 #define WP_DISTANCE_LIMIT           1023000
@@ -781,7 +781,7 @@ uint32_t AP_Frsky_SPort_Passthrough::calc_wind(void)
         // true wind speed in dm/s
         value |= prep_number(roundf(windvane->get_true_wind_speed() * 10), 2, 1) << WIND_SPEED_OFFSET;
         // apparent wind angle in 3 degree increments -180,180 (signed)
-        value |= prep_number(roundf(degrees(windvane->get_apparent_wind_direction_rad()) * (1.0f/3.0f)), 2, 0);
+        value |= prep_number(roundf(degrees(windvane->get_apparent_wind_direction_rad()) * (1.0f/3.0f)), 2, 0) << WIND_APPARENT_ANGLE_OFFSET;
         // apparent wind speed in dm/s
         value |= prep_number(roundf(windvane->get_apparent_wind_speed() * 10), 2, 1) << WIND_APPARENT_SPEED_OFFSET;
     }