diff --git a/base/common/python/pki/nssdb.py b/base/common/python/pki/nssdb.py
index 563455354a9..fb9b9672e9a 100644
--- a/base/common/python/pki/nssdb.py
+++ b/base/common/python/pki/nssdb.py
@@ -370,7 +370,7 @@ def get_password_file(self, tmpdir, token, filename=None,
             filename)
 
     def create_tmpdir(self):
-        tmpdir = tempfile.mkdtemp()
+        tmpdir = tempfile.mkdtemp(dir='/tmp')
         if self.user:
             os.chown(tmpdir, self.uid, self.gid)
         return tmpdir
@@ -1742,7 +1742,7 @@ def __create_cert(
         if aia_ext:
             self.__create_aia_ext(exts, aia_ext)
 
-        tmpdir = tempfile.mkdtemp()
+        tmpdir = tempfile.mkdtemp(dir='/tmp')
 
         try:
             if exts: