diff --git a/evennia/scripts/scripts.py b/evennia/scripts/scripts.py
index 7d549d7034..ce87c39031 100644
--- a/evennia/scripts/scripts.py
+++ b/evennia/scripts/scripts.py
@@ -66,7 +66,7 @@ class ExtendedLoopingCall(LoopingCall):
         if interval < 0:
             raise ValueError("interval must be >= 0")
         self.running = True
-        d = self.deferred = Deferred()
+        deferred = self._deferred = Deferred()
         self.starttime = self.clock.seconds()
         self.interval = interval
         self._runAtStart = now
@@ -87,7 +87,7 @@ class ExtendedLoopingCall(LoopingCall):
             self.interval = real_interval
         else:
             self._scheduleFrom(self.starttime)
-        return d
+        return deferred
 
     def __call__(self):
         """
diff --git a/evennia/server/evennia_launcher.py b/evennia/server/evennia_launcher.py
index a1faf37ad6..6d6b456c40 100644
--- a/evennia/server/evennia_launcher.py
+++ b/evennia/server/evennia_launcher.py
@@ -60,7 +60,7 @@ PORTAL_PY_FILE = None
 
 
 PYTHON_MIN = '2.7'
-TWISTED_MIN = '15.2.1'
+TWISTED_MIN = '16.0.0'
 DJANGO_MIN = '1.8'
 DJANGO_REC = '1.9'
 
diff --git a/requirements.txt b/requirements.txt
index 9b137123c3..d1e4790d4c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 # Evennia dependencies, for Linux/Mac platforms
 
 django >= 1.8, < 1.10
-twisted >= 15.2.1
+twisted >= 16.0.0
 mock >= 1.0.1
 pillow == 2.9.0
 pytz
diff --git a/win_requirements.txt b/win_requirements.txt
index 237bb88c2c..c5269b71bc 100644
--- a/win_requirements.txt
+++ b/win_requirements.txt
@@ -4,7 +4,7 @@
 pypiwin32
 # general 
 django >= 1.8, < 1.10
-twisted >= 15.2.1
+twisted >= 16.0.0
 mock >= 1.0.1
 pillow == 2.9.0
 pytz