diff --git a/panda/src/audiotraits/milesAudioManager.cxx b/panda/src/audiotraits/milesAudioManager.cxx
index 4334cc5719..7924fcaba6 100644
--- a/panda/src/audiotraits/milesAudioManager.cxx
+++ b/panda/src/audiotraits/milesAudioManager.cxx
@@ -787,6 +787,7 @@ vfs_close_callback(U32 file_handle) {
     return;
   }
   istream *istr = (istream *)file_handle;
+  VirtualFileSystem *vfs = VirtualFileSystem::get_global_ptr();
   vfs->close_read_file(istr);
 }