diff --git a/Inst_eddies/Tests/examine_eddy.f90 b/Inst_eddies/Tests/examine_eddy.f90
index f38283619a56da8ddd5ea593b369dcf43246889b..aa4ec1707eecf6bad7ccc9792075af8229d4cfe3 100644
--- a/Inst_eddies/Tests/examine_eddy.f90
+++ b/Inst_eddies/Tests/examine_eddy.f90
@@ -195,6 +195,8 @@ program examine_eddy
 
   call new_unit(unit)
   open(unit, file = "outside_points.csv", status = "replace", action = "write")
+  write(unit, fmt = *) '"degrees east" "degrees north"'
+  write(unit, fmt = *) "longitude latitude"
 
   do i = 1, n1 + n2
      write(unit, fmt = *) outside_points(:, i) * rad_to_deg