diff --git a/srsenb/src/upper/pdcp.cc b/srsenb/src/upper/pdcp.cc
index afd41976f..d3ed88c4e 100644
--- a/srsenb/src/upper/pdcp.cc
+++ b/srsenb/src/upper/pdcp.cc
@@ -93,6 +93,8 @@ void pdcp::config_security(uint16_t rnti, uint32_t lcid, uint8_t* k_rrc_enc_, ui
 {
   if (users.count(rnti)) {
     users[rnti].pdcp->config_security(lcid, k_rrc_enc_, k_rrc_int_, cipher_algo_, integ_algo_);
+    users[rnti].pdcp->enable_integrity(lcid);
+    users[rnti].pdcp->enable_encryption(lcid);
   }
 }