diff --git a/gluon/tests/test_languages.py b/gluon/tests/test_languages.py
index 13f13a9d..60172fe9 100644
--- a/gluon/tests/test_languages.py
+++ b/gluon/tests/test_languages.py
@@ -35,6 +35,10 @@ try:
     #due to http://bugs.python.org/issue10845, testing multiprocessing in python is impossible
     if sys.platform.startswith('win'):
         MP_WORKING = 0
+    #multiprocessing is also not available on GAE. Since tests randomly
+    #fail, let's not make them on it too
+    if 'datastore' in os.getenv('DB', ''):
+        MP_WORKING = 0
 except ImportError:
     pass