diff --git a/spark-frontend/src/components/TokenInput/BigNumberInput.tsx b/spark-frontend/src/components/TokenInput/BigNumberInput.tsx
index 37e6cc5d..a3fb8271 100644
--- a/spark-frontend/src/components/TokenInput/BigNumberInput.tsx
+++ b/spark-frontend/src/components/TokenInput/BigNumberInput.tsx
@@ -114,6 +114,7 @@ export const BigNumberInput: React.FC<BigNumberInputProps> = ({
   const inputProps: HTMLInputProps = {
     onChange: handleChange,
     type: "text",
+    inputMode: "decimal",
     value: inputValue,
     ...props,
   };