diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index 17d569d..a4c986e 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -88,6 +88,7 @@
 int Py_NoSiteFlag; /* Suppress 'import site' */
 int Py_UseClassExceptionsFlag = 1; /* Needed by bltinmodule.c */
 int Py_FrozenFlag; /* Needed by getpath.c */
+int Py_UnicodeFlag = 0; /* Needed by compile.c */
 
 static int initialized = 0;