diff --git a/src/Settings/App.SettingsGroup.json b/src/Settings/App.SettingsGroup.json
index 30e9d4520c17330db6a263d3c5b354763c044376..54a572f8e002f85685082adf11d388d9f1a349fe 100644
--- a/src/Settings/App.SettingsGroup.json
+++ b/src/Settings/App.SettingsGroup.json
@@ -52,6 +52,7 @@
     "type":             "double",
     "defaultValue":     50.0,
     "min":              0.0,
+    "max":              121.92,
     "units":            "meters",
     "decimalPlaces":    2
 },