diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index cb0e3b0..70748dc 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -1402,7 +1402,7 @@
     PyCompilerFlags localflags = _PyCompilerFlags_INIT;
     perrdetail err;
     int iflags = PARSER_FLAGS(flags);
-    if (flags && flags->cf_feature_version < 7)
+    if (flags && (flags->cf_flags & PyCF_ONLY_AST) && flags->cf_feature_version < 7)
         iflags |= PyPARSE_ASYNC_HACKS;
 
     node *n = PyParser_ParseStringObject(s, filename,