diff --git a/python/gui_model.py b/python/gui_model.py
index e5d931c..f8d5f3c 100644
--- a/python/gui_model.py
+++ b/python/gui_model.py
@@ -131,7 +131,7 @@ class dashboard_data_model(QtCore.QAbstractTableModel):
         self.lock.release()
         self.prune()
 
-    #weeds out ICAOs older than 5 minutes
+    #weeds out ICAOs older than 1 minute
     def prune(self):
         self.lock.acquire()
         for (index,row) in enumerate(self._data):
diff --git a/python/kml.py b/python/kml.py
index 329f0d3..1b6c04d 100644
--- a/python/kml.py
+++ b/python/kml.py
@@ -188,7 +188,7 @@ class output_jsonp(output_kml):
 #        retstr +=  """\t<Folder>\n\t\t<name>Aircraft locations</name>\n\t\t<open>0</open>"""
 
         #read the database and add KML
-        q = "select distinct icao from positions where seen > datetime('now', '-5 minute')"
+        q = "select distinct icao from positions where seen > datetime('now', '-1 minute')"
         c = self._db.cursor()
         self.locked_execute(c, q)
         icaolist = c.fetchall()