diff --git a/l10n/nl.js b/l10n/nl.js
index e5c63bd..bbf283e 100644
--- a/l10n/nl.js
+++ b/l10n/nl.js
@@ -2,6 +2,7 @@ OC.L10N.register(
     "weather",
     {
     "Weather" : "Weer",
+    "This metric is not known." : "Deze eenheid is onbekend.",
     "North" : "Noord",
     "North-East" : "Noord-oost",
     "East" : "Oost",
diff --git a/l10n/nl.json b/l10n/nl.json
index ca0282a..9e46a0e 100644
--- a/l10n/nl.json
+++ b/l10n/nl.json
@@ -1,5 +1,6 @@
 { "translations": {
     "Weather" : "Weer",
+    "This metric is not known." : "Deze eenheid is onbekend.",
     "North" : "Noord",
     "North-East" : "Noord-oost",
     "East" : "Oost",