1 files changed, 2 insertions, 2 deletions

diff --git a/src/grail-gestures.c b/src/grail-gestures.c
index dde8d60..c4ae0dc 100644
--- a/src/grail-gestures.c
+++ b/src/grail-gestures.c
@@ -151,8 +151,8 @@ void gru_init_motion(struct grail *ge)
         struct move_model *m = &gru->move;
         float D[DIM_FM];
         int i;
-        D[FM_X] = s->max_x - s->min_x;
-        D[FM_Y] = s->max_y - s->min_y;
+        D[FM_X] = s->mapped_max_x - s->mapped_min_x;
+        D[FM_Y] = s->mapped_max_y - s->mapped_min_y;
         D[FM_R] = sqrt(D[FM_X] * D[FM_X] + D[FM_Y] * D[FM_Y]);
         D[FM_A] = 2 * M_PI;
         for (i = 0; i < DIM_FM; i++) {