diff --git a/src/xtgeo/grid3d/_ecl_inte_head.py b/src/xtgeo/grid3d/_ecl_inte_head.py
index 1c317b828..bc23d2c8b 100644
--- a/src/xtgeo/grid3d/_ecl_inte_head.py
+++ b/src/xtgeo/grid3d/_ecl_inte_head.py
@@ -29,7 +29,7 @@ class InteHead:
     True
     """
 
-    def __init__(self, values: np.ndarray[np.int_, Any]) -> None:
+    def __init__(self, values: np.ndarray[np.int_, tuple[int]]) -> None:
         """Create an InteHead from the corresponding array.
 
         Args: