diff --git a/master/buildbot/schedulers/forcesched.py b/master/buildbot/schedulers/forcesched.py
index 93c4b4d0e48..69a6a89c959 100644
--- a/master/buildbot/schedulers/forcesched.py
+++ b/master/buildbot/schedulers/forcesched.py
@@ -491,6 +491,17 @@ def __init__(self, name, builderNames,
             config.error("ForceScheduler reason must be a StringParameter: %r" %
                          reason) 
 
+        if isinstance(properties, list):
+            if properties:
+               for item in properties:
+                   if not isinstance(item, BaseParameter):
+                      config.error("ForceScheduler properties must be a list of BaseParameters: %r" %
+                                   properties)
+        else:
+            config.error("ForceScheduler properties must be a list of BaseParameter: %r" %
+                         properties)
+
+
         if isinstance(username, BaseParameter):
         	  self.username = username
         else:
diff --git a/master/buildbot/test/unit/test_schedulers_forcesched.py b/master/buildbot/test/unit/test_schedulers_forcesched.py
index d40356559b7..42be0b8501a 100644
--- a/master/buildbot/test/unit/test_schedulers_forcesched.py
+++ b/master/buildbot/test/unit/test_schedulers_forcesched.py
@@ -21,7 +21,7 @@
 from buildbot.schedulers.forcesched import BooleanParameter, UserNameParameter
 from buildbot.schedulers.forcesched import ChoiceStringParameter, ValidationError
 from buildbot.schedulers.forcesched import NestedParameter, AnyPropertyParameter
-from buildbot.schedulers.forcesched import CodebaseParameter
+from buildbot.schedulers.forcesched import CodebaseParameter, BaseParameter
 from buildbot.test.util import scheduler
 from buildbot.test.util.config import ConfigErrorsMixin
 
@@ -480,3 +480,22 @@ def test_listofmixed_builderNames(self):
              lambda: ForceScheduler(name='testsched',
                                     builderNames=['test', 1234],
                                     codebases=['bar'], username="foo")) 
+
+    def test_integer_properties(self):
+        self.assertRaisesConfigError("ForceScheduler properties must be a list of Base Parameters:",
+             lambda: ForceScheduler(name='testsched', builderNames=[],
+                                    codebases=['bar'], username="foo",
+                                    properties=1234))
+
+    def test_listofints_properties(self):
+        self.assertRaisesConfigError("ForceScheduler properties must be a list of BaseParameters:",
+             lambda: ForceScheduler(name='testsched', builderNames=[],
+                                    codebases=['bar'], username="foo",
+                                    properties=[1234, 2345]))
+
+    def test_listofmixed_properties(self):
+        self.assertRaisesConfigError("ForceScheduler properties must be a list of BaseParameters:",
+             lambda: ForceScheduler(name='testsched', builderNames=[],
+                                    codebases=['bar'], username="foo",
+                                    properties=[BaseParameter(name="test",),
+                                                4567]))