diff --git a/cmk/plugins/ceph/constants.py b/cmk/plugins/ceph/constants.py
index f7b4e770ec0..aeb8a737e17 100644
--- a/cmk/plugins/ceph/constants.py
+++ b/cmk/plugins/ceph/constants.py
@@ -12,6 +12,7 @@
         "activating+undersized+degraded",
         "active+clean",
         "active+clean+inconsistent",
+        "active+clean+laggy",
         "active+clean+remapped",
         "active+clean+scrubbing",
         "active+clean+scrubbing+deep",
diff --git a/cmk/plugins/ceph/graphing/ceph_metrics.py b/cmk/plugins/ceph/graphing/ceph_metrics.py
index 85fb0aeadea..c0b24fec69b 100644
--- a/cmk/plugins/ceph/graphing/ceph_metrics.py
+++ b/cmk/plugins/ceph/graphing/ceph_metrics.py
@@ -40,6 +40,12 @@
     unit=UNIT_COUNTER,
     color=metrics.Color.BLUE,
 )
+metric_pgstate_active_clean_laggy = metrics.Metric(
+    name="pgstate_active_clean_laggy",
+    title=Title("PGs Active + Clean + Laggy"),
+    unit=UNIT_COUNTER,
+    color=metrics.Color.DARK_CYAN,
+)
 metric_pgstate_active_clean_remapped = metrics.Metric(
     name="pgstate_active_clean_remapped",
     title=Title("PGs Active + Clean + Remapped"),