diff --git a/lib/ftl/utils/ftl_conf.c b/lib/ftl/utils/ftl_conf.c
index 1d13963da..fc619479c 100644
--- a/lib/ftl/utils/ftl_conf.c
+++ b/lib/ftl/utils/ftl_conf.c
@@ -162,5 +162,9 @@ ftl_conf_is_valid(const struct spdk_ftl_conf *conf)
 		return false;
 	}
 
+	if (conf->l2p_dram_limit == 0) {
+		return false;
+	}
+
 	return true;
 }