diff --git a/tests/test_memdumps.py b/tests/test_memdumps.py
index e54de79..48a1fc4 100644
--- a/tests/test_memdumps.py
+++ b/tests/test_memdumps.py
@@ -69,6 +69,8 @@ class IntegrationTest(unittest.TestCase):
 
         args = ['python', '-m', 'manticore', '--timeout', '400', '--workspace', workspace, dumpfile]
 
+        os.mkdir(workspace)
+
         for k,v in params.iteritems():
             if k.startswith("--"):
                 args.extend([k, v.format(dumpdir=dumpdir, workspace=workspace)])