diff --git a/cmk/plugins/ceph/constants.py b/cmk/plugins/ceph/constants.py
index 283a84b23b5..ae4caa12452 100644
--- a/cmk/plugins/ceph/constants.py
+++ b/cmk/plugins/ceph/constants.py
@@ -8,6 +8,8 @@
 
 PG_STATES: Final[frozenset[str]] = frozenset(
     {
+        "activating",
+        "activating+degraded",
         "activating+remapped",
         "activating+undersized",
         "activating+undersized+degraded",