diff --git a/package/network/services/ppp/files/etc/ppp/options b/package/network/services/ppp/files/etc/ppp/options
index 6b93f7bdb68..dbb2bdb3e25 100644
--- a/package/network/services/ppp/files/etc/ppp/options
+++ b/package/network/services/ppp/files/etc/ppp/options
@@ -6,5 +6,3 @@ nopcomp
 nocrtscts
 lock
 maxfail 0
-lcp-echo-failure 5
-lcp-echo-interval 1
diff --git a/package/network/services/ppp/files/ppp.sh b/package/network/services/ppp/files/ppp.sh
index 73bc3161cdc..99d5e4939f0 100755
--- a/package/network/services/ppp/files/ppp.sh
+++ b/package/network/services/ppp/files/ppp.sh
@@ -120,6 +120,8 @@ ppp_generic_setup() {
 		}
 	}
 
+	[ -n "$keepalive" ] || keepalive="5 1"
+
 	local lcp_failure="${keepalive%%[, ]*}"
 	local lcp_interval="${keepalive##*[, ]}"
 	local lcp_adaptive="lcp-echo-adaptive"