diff --git a/core/interact/interact.py b/core/interact/interact.py
index 5a1577e..3b3560c 100644
--- a/core/interact/interact.py
+++ b/core/interact/interact.py
@@ -427,6 +427,7 @@ class InteractBase(object):
         p.start()
         time.sleep(0.5)
         p.terminate()
+        p.join()
         sys.stdin = os.fdopen( sys.stdin.fileno() )