diff --git a/modules/lastfm/lastfm.js b/modules/lastfm/lastfm.js
index 9aa254d..ae8c7ab 100644
--- a/modules/lastfm/lastfm.js
+++ b/modules/lastfm/lastfm.js
@@ -160,7 +160,7 @@ var lastfm = function(dbot) {
                     }));
                 } else {
                     if(err == 'no_user') {
-                        event.reply('Unknown Last.FM user.');
+                        event.reply(dbot.t('lfm_unknown'));
                     } else if(err == 'no_listen') {
                         event.reply(dbot.t('no_listen', { 'user': event.user }));
                     }
@@ -275,7 +275,7 @@ var lastfm = function(dbot) {
                     }.bind(this));
                 } else {
                     if(err == 'no_user') {
-                        event.reply('Unknown Last.FM user.');
+                        event.reply(dbot.t('lfm_unknown'));
                     } else if(err == 'no_listen') {
                         event.reply(dbot.t('no_listen', { 'user': event.user }));
                     }
@@ -351,7 +351,7 @@ var lastfm = function(dbot) {
                     
                 } else {
                     if(err == 'no_user') {
-                        event.reply('Unknown LastFM user.');
+                        event.reply(dbot.t('lfm_unknown'));
                     } else if(err == 'no_listen') {
                         event.reply(dbot.t('no_listen', { 'user': user.currentNick }));
                     }
@@ -479,7 +479,7 @@ var lastfm = function(dbot) {
                     }));
                 } else {
                     if(err == 'no_user') {
-                        event.reply('Unknown Last.FM user.');
+                        event.reply(dbot.t('lfm_unknown'));
                     } else {
                         event.reply('Well something went wrong and I don\'t know what it means');
                     }
diff --git a/modules/lastfm/strings.json b/modules/lastfm/strings.json
index 8cf17d4..8ec689a 100644
--- a/modules/lastfm/strings.json
+++ b/modules/lastfm/strings.json
@@ -28,5 +28,8 @@
     },
     "lfm_scrobbliest": {
         "en": "Users with the most played tracks: "
+    },
+    "lfm_unknown": {
+        "en": "Unknown Last.FM user. Please set your Last.FM user by typing '~set lastfm <name>' where <name> is your Last.FM username."
     }
 }