diff --git a/clients/record_reboot_overdue b/clients/record_reboot_overdue
new file mode 100755
index 0000000..e828984
--- /dev/null
+++ b/clients/record_reboot_overdue
@@ -0,0 +1,43 @@
+#!/usr/bin/python3
+
+import time
+import glob
+import os.path
+
+import ltsdb_record
+
+now = time.time()
+with open("/proc/uptime") as fh:
+    ln = fh.readline()
+    uptime = float(ln.split()[0])
+last_reboot = now - uptime
+
+last_mtime = 0
+for p in glob.glob("/boot/**/*", recursive=True):
+    mtime = os.path.getmtime(p)
+    if mtime > last_mtime:
+        last_mtime = mtime
+
+if last_mtime > last_reboot:
+    overdue = now - last_mtime
+else:
+    overdue = 0
+
+report0 = []
+report0.append({ "measure": "reboot_overdue", "unit": "s", "value": overdue})
+report = [
+    {
+        "description": {
+            "hostname": ltsdb_record.node,
+            "measure": r["measure"],
+            "unit": r["unit"]
+        },
+        "data": [
+            [now, r["value"]]
+        ]
+    }
+    for r in report0
+]
+
+success = ltsdb_record.record_observations(report)
+exit(1 - success)