diff --git a/qa/workunits/mon/pg_autoscaler.sh b/qa/workunits/mon/pg_autoscaler.sh
index bc5003f4c4e0c..4cf71a31cf4c9 100755
--- a/qa/workunits/mon/pg_autoscaler.sh
+++ b/qa/workunits/mon/pg_autoscaler.sh
@@ -137,10 +137,20 @@ ceph osd pool set bulk0 target_size_bytes 1000
 ceph osd pool set meta0 target_size_ratio 1
 wait_for 60 "ceph health detail | grep POOL_HAS_TARGET_SIZE_BYTES_AND_RATIO"
 
+# test autoscale warn
+
+ceph osd pool create warn0 1 --autoscale-mode=warn
+wait_for 120 "ceph health detail | grep POOL_TOO_FEW_PGS"
+
+ceph osd pool create warn1 256 --autoscale-mode=warn
+wait_for 120 "ceph health detail | grep POOL_TOO_MANY_PGS"
+
 ceph osd pool rm meta0 meta0 --yes-i-really-really-mean-it
 ceph osd pool rm bulk0 bulk0 --yes-i-really-really-mean-it
 ceph osd pool rm bulk1 bulk1 --yes-i-really-really-mean-it
 ceph osd pool rm bulk2 bulk2 --yes-i-really-really-mean-it
+ceph osd pool rm warn0 warn0 --yes-i-really-really-mean-it
+ceph osd pool rm warn1 warn1 --yes-i-really-really-mean-it
 
 echo OK
 
diff --git a/src/pybind/mgr/pg_autoscaler/module.py b/src/pybind/mgr/pg_autoscaler/module.py
index b7a95fc7b97b6..13e1cff9e8838 100644
--- a/src/pybind/mgr/pg_autoscaler/module.py
+++ b/src/pybind/mgr/pg_autoscaler/module.py
@@ -719,8 +719,6 @@ def _maybe_adjust(self) -> None:
             if p['target_bytes'] > 0:
                 total_target_bytes[p['crush_root_id']] += p['target_bytes'] * p['raw_used_rate']
                 target_bytes_pools[p['crush_root_id']].append(p['pool_name'])
-            if not p['would_adjust']:
-                continue
             if p['pg_autoscale_mode'] == 'warn':
                 msg = 'Pool %s has %d placement groups, should have %d' % (
                     p['pool_name'],
@@ -730,7 +728,8 @@ def _maybe_adjust(self) -> None:
                     too_few.append(msg)
                 else:
                     too_many.append(msg)
-
+            if not p['would_adjust']:
+                continue
             if p['pg_autoscale_mode'] == 'on':
                 # Note that setting pg_num actually sets pg_num_target (see
                 # OSDMonitor.cc)