diff --git a/include/libcgroup/tasks.h b/include/libcgroup/tasks.h
index aad438a..22f17d8 100644
--- a/include/libcgroup/tasks.h
+++ b/include/libcgroup/tasks.h
@@ -20,6 +20,8 @@ enum cgflags {
 	CGFLAG_USECACHE = 0x01,
 	/** Use cached templates, do not read templates from disk. */
 	CGFLAG_USE_TEMPLATE_CACHE = 0x02,
+	/** read rules from disk. */
+	CGFLAG_NOUSECACHE = 0x04,
 };
 
 /** Flags for cgroup_register_unchanged_process(). */
diff --git a/src/pam/pam_cgroup.c b/src/pam/pam_cgroup.c
index 1d78b81..fb427b4 100644
--- a/src/pam/pam_cgroup.c
+++ b/src/pam/pam_cgroup.c
@@ -138,7 +138,7 @@ PAM_EXTERN int pam_sm_open_session(pam_handle_t *pamh, int flags,
 	 * under what egid service will be provided?
 	 */
 	ret = cgroup_change_cgroup_uid_gid_flags(pwd->pw_uid,
-		pwd->pw_gid, pid, CGFLAG_USECACHE);
+		pwd->pw_gid, pid, CGFLAG_NOUSECACHE);
 	if (ret) {
 		if (ctrl & PAM_DEBUG_ARG)
 			pam_syslog(pamh, LOG_ERR, "Change of cgroup for process"