diff --git a/linux/debian/essentials/postinst b/linux/debian/essentials/postinst
index 26f52742ff548a56d1c157dc1ec25f9e4aea2f91..ba36da5936af1af038110afaba816a98ac852bc4 100755
--- a/linux/debian/essentials/postinst
+++ b/linux/debian/essentials/postinst
@@ -46,7 +46,7 @@ sed -i "s/{SERVER_ADDR}/$RET/g" $DAP_CFG  || true
 db_get cellframe-node/notify_srv_addr || true
 sed -i "s/{NOTIFY_SRV_ADDR}/$RET/g" $DAP_CFG  || true
 
-db_get cellframe-node/nofity_srv_port || true
+db_get cellframe-node/notify_srv_port || true
 sed -i "s/{NOTIFY_SRV_PORT}/$RET/g" $DAP_CFG  || true
 
 # Init core testnet