diff --git a/Python/Python-ast.c b/Python/Python-ast.c
index 439da8f..59acce7 100644
--- a/Python/Python-ast.c
+++ b/Python/Python-ast.c
@@ -6,7 +6,7 @@
 #include "Python.h"
 
 #ifdef Py_BUILD_CORE
-#  include "pycore_ast.h"           // struct ast_state
+#  include "pycore_ast_state.h"     // struct ast_state
 #  include "pycore_interp.h"        // _PyInterpreterState.ast
 #  include "pycore_pystate.h"       // _PyInterpreterState_GET()
 #else