diff --git a/lib/controller/checks.py b/lib/controller/checks.py
index f808f8e70..c10ea351c 100644
--- a/lib/controller/checks.py
+++ b/lib/controller/checks.py
@@ -30,7 +30,6 @@ from lib.core.common import pushValue
 from lib.core.common import randomInt
 from lib.core.common import randomStr
 from lib.core.common import readInput
-from lib.core.common import removeDynamicContent
 from lib.core.common import showStaticWords
 from lib.core.common import trimAlphaNum
 from lib.core.common import wasLastRequestDBMSError
diff --git a/lib/core/common.py b/lib/core/common.py
index 08ef7046d..4a1e92f3a 100644
--- a/lib/core/common.py
+++ b/lib/core/common.py
@@ -677,7 +677,7 @@ def readInput(message, default=None):
     elif message[-1] == ']':
         message += " "
 
-    if conf.batch and default:
+    if conf.batch and default is not None:
         if isinstance(default, (list, tuple, set)):
             options = ",".join([getUnicode(opt, UNICODE_ENCODING) for opt in default])
         else:
diff --git a/lib/request/connect.py b/lib/request/connect.py
index a3150d27c..903a20666 100644
--- a/lib/request/connect.py
+++ b/lib/request/connect.py
@@ -232,7 +232,7 @@ class Connect:
                 msg += "also on the redirection got from the application\n"
 
                 while True:
-                    choice = readInput(msg, default=None)
+                    choice = readInput(msg, default="")
 
                     if not choice:
                         pass