diff --git a/check_dtypes.py b/check_dtypes.py
index 502e4bb..946c5fe 100644
--- a/check_dtypes.py
+++ b/check_dtypes.py
@@ -47,8 +47,7 @@ EXPECTED_TYPES = {
         r"Layout_Page_//alto:String/@WC-.*": ("Float64", None),
         r"alto_xmlns": ("object", ["str", "NoneType"]),
 
-        # XXX r"Layout_Page_(WIDTH|HEIGHT)": ("Int64", None),
-        r"Layout_Page_(WIDTH|HEIGHT)": ("object", ["str", "NoneType"]),
+        r"Layout_Page_(WIDTH|HEIGHT)": ("Int64", None),
 }
 def expected_types(c):
     for r, types in EXPECTED_TYPES.items():
diff --git a/src/mods4pandas/alto4pandas.py b/src/mods4pandas/alto4pandas.py
index 668d7f3..1d7b748 100755
--- a/src/mods4pandas/alto4pandas.py
+++ b/src/mods4pandas/alto4pandas.py
@@ -89,6 +89,12 @@ def alto_to_dict(alto, raise_errors=True):
         elif localname == 'Page':
             value[localname] = {}
             value[localname].update(TagGroup(tag, group).is_singleton().attributes())
+            for attr in ("WIDTH", "HEIGHT"):
+                if attr in value[localname]:
+                    try:
+                        value[localname][attr] = int(value[localname][attr])
+                    except ValueError:
+                        del value[localname][attr]
             value[localname].update(TagGroup(tag, group).subelement_counts())
             value[localname].update(TagGroup(tag, group).xpath_statistics("//alto:String/@WC", namespaces))