diff --git a/src/if_python3.c b/src/if_python3.c
index 4f6809d..66e153b 100644
--- a/src/if_python3.c
+++ b/src/if_python3.c
@@ -160,9 +160,10 @@
 # define PyDict_GetItemString py3_PyDict_GetItemString
 # define PyDict_Next py3_PyDict_Next
 # define PyMapping_Check py3_PyMapping_Check
-# define PyMapping_Items py3_PyMapping_Items
+# define PyMapping_Keys py3_PyMapping_Keys
 # define PyIter_Next py3_PyIter_Next
 # define PyObject_GetIter py3_PyObject_GetIter
+# define PyObject_GetItem py3_PyObject_GetItem
 # define PyObject_IsTrue py3_PyObject_IsTrue
 # define PyModule_GetDict py3_PyModule_GetDict
 #undef PyRun_SimpleString
@@ -276,7 +277,7 @@
 static Py_ssize_t (*py3_PyTuple_Size)(PyObject *);
 static PyObject* (*py3_PyTuple_GetItem)(PyObject *, Py_ssize_t);
 static int (*py3_PyMapping_Check)(PyObject *);
-static PyObject* (*py3_PyMapping_Items)(PyObject *);
+static PyObject* (*py3_PyMapping_Keys)(PyObject *);
 static int (*py3_PySlice_GetIndicesEx)(PyObject *r, Py_ssize_t length,
 		     Py_ssize_t *start, Py_ssize_t *stop, Py_ssize_t *step, Py_ssize_t *slicelength);
 static PyObject* (*py3_PyErr_NoMemory)(void);
@@ -304,6 +305,7 @@
 static PyObject* (*py3_PyDict_New)(void);
 static PyObject* (*py3_PyIter_Next)(PyObject *);
 static PyObject* (*py3_PyObject_GetIter)(PyObject *);
+static PyObject* (*py3_PyObject_GetItem)(PyObject *, PyObject *);
 static int (*py3_PyObject_IsTrue)(PyObject *);
 static PyObject* (*py3_Py_BuildValue)(char *, ...);
 static int (*py3_PyType_Ready)(PyTypeObject *type);
@@ -456,9 +458,10 @@
     {"PyDict_GetItemString", (PYTHON_PROC*)&py3_PyDict_GetItemString},
     {"PyDict_Next", (PYTHON_PROC*)&py3_PyDict_Next},
     {"PyMapping_Check", (PYTHON_PROC*)&py3_PyMapping_Check},
-    {"PyMapping_Items", (PYTHON_PROC*)&py3_PyMapping_Items},
+    {"PyMapping_Keys", (PYTHON_PROC*)&py3_PyMapping_Keys},
     {"PyIter_Next", (PYTHON_PROC*)&py3_PyIter_Next},
     {"PyObject_GetIter", (PYTHON_PROC*)&py3_PyObject_GetIter},
+    {"PyObject_GetItem", (PYTHON_PROC*)&py3_PyObject_GetItem},
     {"PyObject_IsTrue", (PYTHON_PROC*)&py3_PyObject_IsTrue},
     {"PyLong_FromLong", (PYTHON_PROC*)&py3_PyLong_FromLong},
     {"PyDict_New", (PYTHON_PROC*)&py3_PyDict_New},