diff --git a/psycopg/bytes_format.c b/psycopg/bytes_format.c
index 3c64f4ae..6d12d6c7 100644
--- a/psycopg/bytes_format.c
+++ b/psycopg/bytes_format.c
@@ -80,6 +80,10 @@
 #define PSYCOPG_MODULE
 #include "psycopg/psycopg.h"
 
+#ifndef Py_LOCAL_INLINE
+#define Py_LOCAL_INLINE(type) static type
+#endif
+
 /* Helpers for formatstring */
 
 Py_LOCAL_INLINE(PyObject *)
diff --git a/psycopg/python.h b/psycopg/python.h
index 25dbd31b..c3f9a0d1 100644
--- a/psycopg/python.h
+++ b/psycopg/python.h
@@ -62,6 +62,11 @@
 #define PyVarObject_HEAD_INIT(x,n) PyObject_HEAD_INIT(x) n,
 #endif
 
+/* Missing at least in Python 2.4 */
+#ifndef Py_MEMCPY
+#define Py_MEMCPY memcpy
+#endif
+
 /* FORMAT_CODE_PY_SSIZE_T is for Py_ssize_t: */
 #define FORMAT_CODE_PY_SSIZE_T "%" PY_FORMAT_SIZE_T "d"
 
diff --git a/psycopg/typecast.c b/psycopg/typecast.c
index c321609f..484ce45e 100644
--- a/psycopg/typecast.c
+++ b/psycopg/typecast.c
@@ -438,7 +438,7 @@ typecast_repr(PyObject *self)
     }
 
     rv = PyString_FromFormat("<%s '%s' at %p>",
-        Py_TYPE(self)->tp_name, PyBytes_AS_STRING(name), self);
+        Py_TYPE(self)->tp_name, Bytes_AS_STRING(name), self);
 
     Py_DECREF(name);
     return rv;