1 files changed, 8 insertions, 0 deletions
diff --git a/ractor.h b/ractor.h
index 4cd89522a7..d3de06b559 100644
--- a/ractor.h
+++ b/ractor.h
@@ -205,7 +205,15 @@ rb_ractor_thread_switch(rb_ractor_t *cr, rb_thread_t *th)
 static inline void
 rb_ractor_set_current_ec(rb_ractor_t *cr, rb_execution_context_t *ec)
 {
+#ifdef RB_THREAD_LOCAL_SPECIFIER
+  #if __APPLE__
+    rb_current_ec_set(ec);
+  #else
+    ruby_current_ec = ec;
+  #endif
+#else
     native_tls_set(ruby_current_ec_key, ec);
+#endif
 
     if (cr->threads.running_ec != ec) {
         if (0) fprintf(stderr, "rb_ractor_set_current_ec ec:%p->%p\n",