diff --git a/res2df/grid.py b/res2df/grid.py
index 56d8d4aea..49c7de5ec 100644
--- a/res2df/grid.py
+++ b/res2df/grid.py
@@ -316,9 +316,9 @@ def gridgeometry2df(
     index_frame = grid.export_index(active_only=True)
     ijk = index_frame.values[:, 0:3] + 1  # ijk from resdata.grid is off by one
 
-    xyz = export_position(index_frame)
-    vol = export_volume(index_frame)
-    z_corners = export_corners(index_frame)[:, [2, 5, 8, 11, 14, 17, 20]]
+    xyz = grid.export_position(index_frame)
+    vol = grid.export_volume(index_frame)
+    z_corners = grid.export_corners(index_frame)[:, [2, 5, 8, 11, 14, 17, 20]]
     grid_df = pd.DataFrame(
         index=index_frame["active"],
         columns=[