diff --git a/Cython/Includes/cpython/longintrepr.pxd b/Cython/Includes/cpython/longintrepr.pxd
index 45fe81e6cd6..57691c41284 100644
--- a/Cython/Includes/cpython/longintrepr.pxd
+++ b/Cython/Includes/cpython/longintrepr.pxd
@@ -1,7 +1,14 @@
 # Internals of the "long" type (Python 2) or "int" type (Python 3).
 # This is not part of Python's published API.
 
-cdef extern from "longintrepr.h":
+cdef extern from *:
+    """"
+    #if PY_VERSION_HEX >= 0x03000000
+     #include "Python.h"
+    #else
+     #include "longintrepr.h"
+    #endif
+    """
     ctypedef unsigned int digit
     ctypedef int sdigit  # Python >= 2.7 only
 
diff --git a/Cython/Utility/ModuleSetupCode.c b/Cython/Utility/ModuleSetupCode.c
index 758ce7f86e7..8aabef3dd45 100644
--- a/Cython/Utility/ModuleSetupCode.c
+++ b/Cython/Utility/ModuleSetupCode.c
@@ -263,7 +263,11 @@
 #define CYTHON_BACKPORT_VECTORCALL (CYTHON_METH_FASTCALL && PY_VERSION_HEX < 0x030800B1)
 
 #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
+  #if PY_VERSION_HEX >= 0x03000000
+    #include "Python.h"
+  #else
+    #include "longintrepr.h"
+  #endif
   /* These short defines can easily conflict with other code */
   #undef SHIFT
   #undef BASE
diff --git a/tests/compile/pylong.pyx b/tests/compile/pylong.pyx
index f4938fab9f8..40b26cffaa7 100644
--- a/tests/compile/pylong.pyx
+++ b/tests/compile/pylong.pyx
@@ -1,6 +1,13 @@
 # mode: compile
 
-cdef extern from "Python.h":
+cdef extern from *:
+    """"
+    #if PY_VERSION_HEX >= 0x03000000
+     #include "Python.h"
+    #else
+     #include "longintrepr.h"
+    #endif
+    """
     ctypedef struct PyTypeObject:
         pass
 
@@ -8,7 +15,7 @@ cdef extern from "Python.h":
         Py_ssize_t ob_refcnt
         PyTypeObject *ob_type
 
-cdef extern from "longintrepr.h":
+cdef extern from "Python.h":
     cdef struct _longobject:
         int ob_refcnt
         PyTypeObject *ob_type