diff --git a/streams/region/region_file.cpp b/streams/region/region_file.cpp
index 655645f8..40e75721 100644
--- a/streams/region/region_file.cpp
+++ b/streams/region/region_file.cpp
@@ -274,7 +274,7 @@ Error RegionFile::close() {
 				err = ERR_FILE_CANT_WRITE;
 			}
 		}
-		_file_access = nullptr;
+		_file_access.unref();
 	}
 	_sectors.clear();
 	return err;