diff --git a/flash2d/src/options-sphere/ADV_wind_stacked.f90 b/flash2d/src/options-sphere/ADV_wind_stacked.f90
index 3d7d5343a5b691489c702d876b99dae66edba2a4..a50e3bdb7ed57f887582df5fc0e5a7dbcf00e51a 100644
--- a/flash2d/src/options-sphere/ADV_wind_stacked.f90
+++ b/flash2d/src/options-sphere/ADV_wind_stacked.f90
@@ -527,8 +527,8 @@
       END IF
 
       determine_lat: DO i_cnt=1, i_lat-1
-        IF(REAL(r_lat(i_cnt),GRID_SR) .LT. r_coord(2)) THEN
-          IF(REAL(r_lat(i_cnt +1),GRID_SR) .GE. r_coord(2)) THEN
+        IF(REAL(r_lat(i_cnt),GRID_SR) .GE. r_coord(2)) THEN
+          IF(REAL(r_lat(i_cnt +1),GRID_SR) .LT. r_coord(2)) THEN
             i_loy= i_cnt
             i_hiy= i_cnt+1
             exit determine_lat