diff --git a/src/rt/rust_builtin.cpp b/src/rt/rust_builtin.cpp
index 3c9bff000ea..e6517b3639a 100644
--- a/src/rt/rust_builtin.cpp
+++ b/src/rt/rust_builtin.cpp
@@ -932,12 +932,12 @@ static lock_and_signal change_dir_lock;
 
 extern "C" CDECL void
 rust_take_change_dir_lock() {
-    global_args_lock.lock();
+    change_dir_lock.lock();
 }
 
 extern "C" CDECL void
 rust_drop_change_dir_lock() {
-    global_args_lock.unlock();
+    change_dir_lock.unlock();
 }
 
 //