diff --git a/scripts/locales/en.lua b/scripts/locales/en.lua
index ce53b2972b..89864d7041 100644
--- a/scripts/locales/en.lua
+++ b/scripts/locales/en.lua
@@ -719,8 +719,7 @@ local  en = {
 
    if_stats_overview = {
       snmp = "SNMP",
-      iface_switch_active_msg_pre = "The selected interface",
-      iface_switch_active_msg_after = "is now active",
+      iface_switch_active_msg = "The selected interface <b>%{interface}</b> [ifid: %{ifid}] is now active",
       iface_switch_error_msg = "Error while switching interfaces",
       iface_switch_empty_session_msg = "Empty session",
       id = "Id",
diff --git a/scripts/lua/if_stats.lua b/scripts/lua/if_stats.lua
index f112cfce5f..b2da26f5a3 100644
--- a/scripts/lua/if_stats.lua
+++ b/scripts/lua/if_stats.lua
@@ -58,8 +58,7 @@ if((ifname ~= nil) and (_SESSION["session"] ~= nil)) then
    key = getRedisPrefix("ntopng.prefs") .. ".ifname"
    ntop.setCache(key, ifname)
 
-   msg = "<div class=\"alert alert-success\">" .. i18n("if_stats_overview.iface_switch_active_msg_pre") .. " <b>" .. getHumanReadableInterfaceName(ifid)
-   msg = msg .. "</b> [ifid: ".. ifid .."] " .. i18n("if_stats_overview.iface_switch_active_msg_after") .. "</div>"
+   msg = "<div class=\"alert alert-success\">" .. i18n("if_stats_overview.iface_switch_active_msg", {interface=getHumanReadableInterfaceName(ifid), ifid=ifid}) .. "</div>"
 
    ntop.setCache(getRedisPrefix("ntopng.prefs")..'.iface', ifid)
 else