diff --git a/Python/ast.c b/Python/ast.c
index 976be70..8b3dbea 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -4671,12 +4671,12 @@
     if (msg == NULL) {
         return -1;
     }
-    if (PyErr_WarnExplicitObject(PyExc_SyntaxWarning, msg,
+    if (PyErr_WarnExplicitObject(PyExc_DeprecationWarning, msg,
                                    c->c_filename, LINENO(n),
                                    NULL, NULL) < 0)
     {
-        if (PyErr_ExceptionMatches(PyExc_SyntaxWarning)) {
-            /* Replace the SyntaxWarning exception with a SyntaxError
+        if (PyErr_ExceptionMatches(PyExc_DeprecationWarning)) {
+            /* Replace the DeprecationWarning exception with a SyntaxError
                to get a more accurate error report */
             PyErr_Clear();
             ast_error(c, n, "%U", msg);