diff --git a/poky/bitbake/lib/bb/tests/parse.py b/poky/bitbake/lib/bb/tests/parse.py
index 8f16ba4..1bc4740 100644
--- a/poky/bitbake/lib/bb/tests/parse.py
+++ b/poky/bitbake/lib/bb/tests/parse.py
@@ -44,9 +44,13 @@
 """
 
     def setUp(self):
+        self.origdir = os.getcwd()
         self.d = bb.data.init()
         bb.parse.siggen = bb.siggen.init(self.d)
 
+    def tearDown(self):
+        os.chdir(self.origdir)
+
     def parsehelper(self, content, suffix = ".bb"):
 
         f = tempfile.NamedTemporaryFile(suffix = suffix)