diff --git a/pupy/modules/creds.py b/pupy/modules/creds.py
index 3e59d4e8..b0205024 100644
--- a/pupy/modules/creds.py
+++ b/pupy/modules/creds.py
@@ -8,6 +8,7 @@ ROOT=os.path.abspath(os.path.join(os.path.dirname(__file__),".."))
 @config(category="creds")
 class Creds(PupyModule):
     """ database containing all passwords found """
+    need_at_least_one_client=False
     
     def init_argparse(self):
         self.arg_parser = PupyArgumentParser(prog="Creds", description=self.__doc__)
diff --git a/pupy/pupylib/PupyCmd.py b/pupy/pupylib/PupyCmd.py
index ea67c07c..eaf3ad0b 100644
--- a/pupy/pupylib/PupyCmd.py
+++ b/pupy/pupylib/PupyCmd.py
@@ -585,13 +585,15 @@ class PupyCmd(cmd.Cmd):
         except PupyModuleExit:
             return
 
-        l=self.pupsrv.get_clients(selected_clients)
-        if not l:
-            if not self.pupsrv.clients:
-                self.display_error("no clients currently connected")
-            else:
-                self.display_error("no clients match this search!")
-            return
+        l=[None]
+        if mod.need_at_least_one_client:
+            l=self.pupsrv.get_clients(selected_clients)
+            if not l:
+                if not self.pupsrv.clients:
+                    self.display_error("no clients currently connected")
+                else:
+                    self.display_error("no clients match this search!")
+                return
         
         if mod.max_clients!=0 and len(l)>mod.max_clients:
             self.display_error("This module is limited to %s client(s) at a time and you selected %s clients"%(mod.max_clients, len(l)))
diff --git a/pupy/pupylib/PupyModule.py b/pupy/pupylib/PupyModule.py
index 3d5aa297..1d4a6ba5 100644
--- a/pupy/pupylib/PupyModule.py
+++ b/pupy/pupylib/PupyModule.py
@@ -67,12 +67,13 @@ class PupyModule(object):
         daemon_script -> script that will continue running in background once started
     """
     max_clients=0 #define on how much clients you module can be run in one command. For example an interactive module should be 1 client max at a time. set to 0 for unlimited
+    need_at_least_one_client=True #set to False if your module doesn't need any client connected
     daemon=False #if your module is meant to run in background, set this to True and override the stop_daemon method.
     unique_instance=False # if True, don't start a new module and use another instead
     dependencies=[] #dependencies to push on the remote target. same as calling self.client.load_package
-    compatible_systems=[] #should be changed by
-    category="general" # to sort modules by categories
-    tags=[] # to add search keywords
+    compatible_systems=[] #should be changed by decorator @config
+    category="general" # to sort modules by categories. should be changed by decorator @config
+    tags=[] # to add search keywords. should be changed by decorator @config
 
     def __init__(self, client, job, formatter=None, stdout=None):
         """ client must be a PupyClient instance """