1 files changed, 6 insertions, 1 deletions
diff --git a/Python/pylifecycle.c b/Python/pylifecycle.c
index 2efaa9db7d7..23882d08384 100644
--- a/Python/pylifecycle.c
+++ b/Python/pylifecycle.c
@@ -1310,12 +1310,17 @@ init_interp_main(PyThreadState *tstate)
             enabled = *env != '0';
         }
         if (enabled) {
+#ifdef _Py_JIT
+            // perf profiler works fine with tier 2 interpreter, so
+            // only checking for a "real JIT".
             if (config->perf_profiling > 0) {
                 (void)PyErr_WarnEx(
                     PyExc_RuntimeWarning,
                     "JIT deactivated as perf profiling support is active",
                     0);
-            } else {
+            } else
+#endif
+            {
                 PyObject *opt = _PyOptimizer_NewUOpOptimizer();
                 if (opt == NULL) {
                     return _PyStatus_ERR("can't initialize optimizer");