diff --git a/bindings/py3devil1.py b/bindings/py3devil1.py
index ddccd4c..fea8911 100755
--- a/bindings/py3devil1.py
+++ b/bindings/py3devil1.py
@@ -189,7 +189,7 @@ class Devil1GEO_FN(ctypes.Structure):
                                      ctypes.c_char_p)),
         ("getmeshheader",   ctypes.CFUNCTYPE(
                                      ctypes.c_bool,
-                                     ctypes.POINTER(MeshHeader),
+                                     ctypes.POINTER(ctypes.POINTER(MeshHeader)),
                                      ctypes.c_uint,
                                      ctypes.c_char_p)),
         ("getbatch",        ctypes.CFUNCTYPE(
@@ -224,8 +224,14 @@ if __name__ == "__main__":
     def geotest(devil1geo, geoheader):
         with open("pl00.pld_0", "rb") as f:
             data = f.read()
-            geoheader = ctypes.cast(data, ctypes.POINTER(Header))
+#            geoheader = ctypes.cast(data, ctypes.POINTER(Header))
+            gh = ctypes.pointer(geoheader)
+            devil1geo.getheader(ctypes.byref(gh), data)
             devil1geo.printheader(geoheader)
+            meshheader = MeshHeader()
+            mh = ctypes.pointer(meshheader)
+            devil1geo.getmeshheader(ctypes.byref(mh), 1, data)
+            devil1geo.printmeshheader(mh)
 
     def main():
         sharedlib='./lib3ddevil1.so'