diff --git a/src/mngt/ocf_mngt_cache.c b/src/mngt/ocf_mngt_cache.c
index a030dad..1a84357 100644
--- a/src/mngt/ocf_mngt_cache.c
+++ b/src/mngt/ocf_mngt_cache.c
@@ -1699,6 +1699,9 @@ static int _ocf_mngt_cache_validate_cfg(struct ocf_mngt_cache_config *cfg)
 		return -OCF_ERR_INVAL;
 	}
 
+	if (cfg->backfill.queue_unblock_size > cfg->backfill.max_queue_size )
+		return -OCF_ERR_INVAL;
+
 	return 0;
 }
 
diff --git a/src/mngt/ocf_mngt_core.c b/src/mngt/ocf_mngt_core.c
index 381393c..4486ee6 100644
--- a/src/mngt/ocf_mngt_core.c
+++ b/src/mngt/ocf_mngt_core.c
@@ -905,6 +905,12 @@ static int _cache_mng_set_core_seq_cutoff_policy(ocf_core_t core, void *cntx)
 		return 0;
 	}
 
+	if (policy < 0 || policy >= ocf_seq_cutoff_policy_max) {
+		ocf_core_log(core, log_info,
+				"Wrong sequential cutoff policy!\n");
+		return -OCF_ERR_INVAL;
+	}
+
 	cache->core_conf_meta[core_id].seq_cutoff_policy = policy;
 
 	ocf_core_log(core, log_info,