diff --git a/samples/net/lwm2m_client/overlay-nrf91x.conf b/samples/net/lwm2m_client/overlay-nrf91x.conf
index 9597791c10e..7b902178e07 100644
--- a/samples/net/lwm2m_client/overlay-nrf91x.conf
+++ b/samples/net/lwm2m_client/overlay-nrf91x.conf
@@ -37,8 +37,8 @@ CONFIG_NET_IPV6_MLD=n
 CONFIG_NET_CONNECTION_MANAGER=y
 CONFIG_NET_CONNECTION_MANAGER_MONITOR_STACK_SIZE=1024
 
-CONFIG_LWM2M_APP_ID="nrf91x"
-CONFIG_LWM2M_APP_SERVER="coaps://leshan.eclipseprojects.io:5684"
+CONFIG_NET_SAMPLE_LWM2M_ID="nrf91x"
+CONFIG_NET_SAMPLE_LWM2M_SERVER="coaps://leshan.eclipseprojects.io:5684"
 CONFIG_LWM2M_DNS_SUPPORT=y
 
 ## Enable DTLS support