diff --git a/sbvirtualdisplay/abstractdisplay.py b/sbvirtualdisplay/abstractdisplay.py
index b343482..8ddfef5 100644
--- a/sbvirtualdisplay/abstractdisplay.py
+++ b/sbvirtualdisplay/abstractdisplay.py
@@ -38,7 +38,7 @@ def _cmd(self):
         raise NotImplementedError()
 
     def lock_files(self):
-        tmpdir = "/tmp"
+        tmpdir = tempfile.gettempdir()
         pattern = ".X*-lock"
         # remove path.py dependency
         names = fnmatch.filter(os.listdir(tmpdir), pattern)