diff --git a/cstat/models.py b/cstat/models.py
index a0d47e2..d2ed615 100644
--- a/cstat/models.py
+++ b/cstat/models.py
@@ -116,7 +116,7 @@ class NodesModel(ModelBase):
                GREATEST(0, LEAST((os['cpu']['system'] + os['cpu']['user'] + os['cpu']['stolen'])::LONG, 100)) AS cpu_used,
                GREATEST(0, LEAST((os['cpu']['idle'])::LONG, 100)) AS cpu_idle,
                os['timestamp'] as hosttime,
-               process['cpu'] as process,
+               GREATEST(0, LEAST((process['cpu']['percent'])::LONG, 100)) as process_percent,
                os_info['available_processors'] as cpus,
                load,
                heap,
diff --git a/cstat/window.py b/cstat/window.py
index b0fe916..3ea9a7d 100644
--- a/cstat/window.py
+++ b/cstat/window.py
@@ -281,7 +281,7 @@ def update_nodes(self, data=[]):
                 node.name,
             ])
             process.append([
-                node.process['percent'],
+                node.process_percent,
                 100.0 * node.cpus,
                 node.name,
             ])