diff --git a/sos/report/plugins/cgroups.py b/sos/report/plugins/cgroups.py
index 35075d83ca..c3d74c31b5 100644
--- a/sos/report/plugins/cgroups.py
+++ b/sos/report/plugins/cgroups.py
@@ -26,7 +26,8 @@ def setup(self):
 
         self.add_copy_spec([
             "/proc/cgroups",
-            "/sys/fs/cgroup"
+            "/sys/fs/cgroup",
+            "/proc/*/cgroup",
         ])
 
         self.add_cmd_output("systemd-cgls")