diff --git a/sectionate/hydro.py b/sectionate/hydro.py
index 5845470..80ac0d2 100644
--- a/sectionate/hydro.py
+++ b/sectionate/hydro.py
@@ -97,4 +97,9 @@ def extract_1pt(da, uvpoint, xdim=xdim, ydim=ydim):
         # concat over new dimension
         hydro = xr.concat([hydro, interp_data], dim=section)
 
+    # transpose
+    hydro = hydro.transpose(*(..., section))
+    # rechunk
+    hydro = hydro.chunk({section: len(hydro[section])})
+
     return hydro