include Python.h
diff --git a/Python/getcopyright.c b/Python/getcopyright.c
index 67b67c6..5750043 100644
--- a/Python/getcopyright.c
+++ b/Python/getcopyright.c
@@ -1,5 +1,7 @@
 /* Return the copyright string.  This is updated manually. */
 
+#include "Python.h"
+
 const char *
 getcopyright()
 {