diff --git a/src/components/Settings/Overlay.tsx b/src/components/Settings/Overlay.tsx
index bb3216a..f43907d 100644
--- a/src/components/Settings/Overlay.tsx
+++ b/src/components/Settings/Overlay.tsx
@@ -592,6 +592,7 @@ const SettingsOverlay: Component = () => {
                     label="MwST-Satz"
                     type="number"
                     step="0.1"
+                    max="100"
                     suffix="%"
                     value={new Big(localState.vatRate).mul(100).toNumber()}
                     onInput={(evt) => {