diff --git a/libraries/AP_Landing/AP_Landing_Slope.cpp b/libraries/AP_Landing/AP_Landing_Slope.cpp
index c75d5b8fee..c5f7986c15 100644
--- a/libraries/AP_Landing/AP_Landing_Slope.cpp
+++ b/libraries/AP_Landing/AP_Landing_Slope.cpp
@@ -282,13 +282,6 @@ void AP_Landing::type_slope_setup_landing_glide_slope(const Location &prev_WP_lo
         aim_height = flare_alt*2;
     }
 
-    // calculate slope to landing point
-    bool is_first_calc = is_zero(slope);
-    slope = (sink_height - aim_height) / total_distance;
-    if (is_first_calc) {
-        gcs().send_text(MAV_SEVERITY_INFO, "Landing glide slope %.1f degrees", (double)degrees(atanf(slope)));
-    }
-
     // time before landing that we will flare
     float flare_time = aim_height / SpdHgt_Controller->get_land_sinkrate();
 
@@ -312,6 +305,13 @@ void AP_Landing::type_slope_setup_landing_glide_slope(const Location &prev_WP_lo
     loc.offset_bearing(land_bearing_cd * 0.01f, -flare_distance);
     loc.alt += aim_height*100;
 
+    // calculate slope to landing point
+    bool is_first_calc = is_zero(slope);
+    slope = (sink_height - aim_height) / (total_distance - flare_distance);
+    if (is_first_calc) {
+        gcs().send_text(MAV_SEVERITY_INFO, "Landing glide slope %.1f degrees", (double)degrees(atanf(slope)));
+    }
+
     // calculate point along that slope 500m ahead
     loc.offset_bearing(land_bearing_cd * 0.01f, land_projection);
     loc.alt -= slope * land_projection * 100;