diff --git a/lib/nodes.py b/lib/nodes.py
index bb1e129..93d3835 100644
--- a/lib/nodes.py
+++ b/lib/nodes.py
@@ -22,9 +22,9 @@ def prune_nodes(nodes, now, days):
             continue
 
         lastseen = datetime.strptime(node['lastseen'], '%Y-%m-%dT%H:%M:%S')
-        delta = (now - lastseen).seconds
+        delta = (now - lastseen).days
 
-        if delta >= days * 86400:
+        if delta >= days:
             prune.append(node_id)
 
     for node_id in prune: