diff --git a/holoviews/streams.py b/holoviews/streams.py
index 916abbfbf8..99ec01e8e0 100644
--- a/holoviews/streams.py
+++ b/holoviews/streams.py
@@ -717,7 +717,7 @@ def _on_trigger(self):
     @property
     def hashkey(self):
         hashkey = {(p.owner, p.name): getattr(p.owner, p.name) for p in self.parameters}
-        hashkey = {self._rename.get((o, n), n): v for (o, n), v in hashkey.items()
+        hashkey = {' '.join([o.name, self._rename.get((o, n), n)]): v for (o, n), v in hashkey.items()
                    if self._rename.get((o, n), True) is not None}
         hashkey['_memoize_key'] = self._memoize_counter
         return hashkey
diff --git a/holoviews/tests/teststreams.py b/holoviews/tests/teststreams.py
index 957bf85b55..ceabe77176 100644
--- a/holoviews/tests/teststreams.py
+++ b/holoviews/tests/teststreams.py
@@ -296,7 +296,7 @@ def test_param_stream_action(self):
         def subscriber(**kwargs):
             values.append(kwargs)
             self.assertEqual(set(stream.hashkey),
-                             {'action', '_memoize_key'})
+                             {'%s action' % inner.name, '_memoize_key'})
 
         stream.add_subscriber(subscriber)
         inner.action(inner)
@@ -310,8 +310,9 @@ def test_param_stream_memoization(self):
         values = []
         def subscriber(**kwargs):
             values.append(kwargs)
-            self.assertEqual(set(stream.hashkey),
-                             {'action', 'x', '_memoize_key'})
+            self.assertEqual(
+                set(stream.hashkey),
+                {'%s action' % inner.name, '%s x' % inner.name, '_memoize_key'})
 
         stream.add_subscriber(subscriber)
         inner.action(inner)
@@ -484,7 +485,7 @@ def test_dynamicmap_param_method_action_param(self):
         def subscriber(**kwargs):
             values.append(kwargs)
             self.assertEqual(set(stream.hashkey),
-                             {'action', '_memoize_key'})
+                             {'%s action' % inner.name, '_memoize_key'})
 
         stream.add_subscriber(subscriber)
         inner.action(inner)
@@ -502,8 +503,9 @@ def test_dynamicmap_param_action_number_method_memoizes(self):
         values = []
         def subscriber(**kwargs):
             values.append(kwargs)
-            self.assertEqual(set(stream.hashkey),
-                             {'action', 'x', '_memoize_key'})
+            self.assertEqual(
+                set(stream.hashkey),
+                {'%s action' % inner.name, '%s x' % inner.name, '_memoize_key'})
 
         stream.add_subscriber(subscriber)
         stream.add_subscriber(lambda **kwargs: dmap[()])
diff --git a/holoviews/util/__init__.py b/holoviews/util/__init__.py
index d5c1f8d0b9..e254436a2c 100644
--- a/holoviews/util/__init__.py
+++ b/holoviews/util/__init__.py
@@ -906,7 +906,7 @@ def _get_streams(self, map_obj, watch=True):
                 streams.append(value)
             elif isinstance(value, FunctionType) and hasattr(value, '_dinfo'):
                 dependencies = list(value._dinfo.get('dependencies', []))
-                dependencies += list(value._dinfo.get('kwargs', {}).values())
+                dependencies += list(value._dinfo.get('kw', {}).values())
                 params = [d for d in dependencies if isinstance(d, param.Parameter)
                           and isinstance(d.owner, param.Parameterized)]
                 streams.append(Params(parameters=params, watch_only=True))