diff --git a/include/eigenpy/numpy.hpp b/include/eigenpy/numpy.hpp
index 3786b091b..2f56d31b5 100644
--- a/include/eigenpy/numpy.hpp
+++ b/include/eigenpy/numpy.hpp
@@ -208,7 +208,7 @@ EIGENPY_DLLAPI PyArray_Descr* call_PyArray_DescrFromType(int typenum);
 
 EIGENPY_DLLAPI void call_PyArray_InitArrFuncs(PyArray_ArrFuncs* funcs);
 
-EIGENPY_DLLAPI int call_PyArray_RegisterDataType(PyArray_Descr* dtype);
+EIGENPY_DLLAPI int call_PyArray_RegisterDataType(PyArray_DescrProto* dtype);
 
 EIGENPY_DLLAPI int call_PyArray_RegisterCanCast(PyArray_Descr* descr,
                                                 int totype,
diff --git a/src/numpy.cpp b/src/numpy.cpp
index e758ed02d..0621edc8b 100644
--- a/src/numpy.cpp
+++ b/src/numpy.cpp
@@ -57,7 +57,7 @@ void call_PyArray_InitArrFuncs(PyArray_ArrFuncs* funcs) {
   PyArray_InitArrFuncs(funcs);
 }
 
-int call_PyArray_RegisterDataType(PyArray_Descr* dtype) {
+int call_PyArray_RegisterDataType(PyArray_DescrProto* dtype) {
   return PyArray_RegisterDataType(dtype);
 }