diff --git a/libnymea-app-core/jsonrpc/jsontypes.cpp b/libnymea-app-core/jsonrpc/jsontypes.cpp
index a35f72d2..ef405dd3 100644
--- a/libnymea-app-core/jsonrpc/jsontypes.cpp
+++ b/libnymea-app-core/jsonrpc/jsontypes.cpp
@@ -587,8 +587,10 @@ QPair<Types::Unit, QString> JsonTypes::stringToUnit(const QString &unitString)
         return QPair<Types::Unit, QString>(Types::UnitEuro, "€");
     } else if (unitString == "UnitDollar") {
         return QPair<Types::Unit, QString>(Types::UnitDollar, "$");
-    } else if (unitString == "UnitHerz") {
-        return QPair<Types::Unit, QString>(Types::UnitHerz, "Hz");
+    } else if (unitString == "UnitHerz") { // legacy
+        return QPair<Types::Unit, QString>(Types::UnitHertz, "Hz");
+    } else if (unitString == "UnitHertz") {
+        return QPair<Types::Unit, QString>(Types::UnitHertz, "Hz");
     } else if (unitString == "UnitAmpere") {
         return QPair<Types::Unit, QString>(Types::UnitAmpere, "A");
     } else if (unitString == "UnitMilliAmpere") {
diff --git a/libnymea-common/types/types.h b/libnymea-common/types/types.h
index 0948d668..6fdfa33e 100644
--- a/libnymea-common/types/types.h
+++ b/libnymea-common/types/types.h
@@ -88,7 +88,7 @@ public:
         UnitPartsPerMillion,
         UnitEuro,
         UnitDollar,
-        UnitHerz,
+        UnitHertz,
         UnitAmpere,
         UnitMilliAmpere,
         UnitVolt,