diff --git a/src/Services/AmountFormatter.php b/src/Services/AmountFormatter.php
index 7a2f3c5b..c679e035 100644
--- a/src/Services/AmountFormatter.php
+++ b/src/Services/AmountFormatter.php
@@ -62,17 +62,15 @@ class AmountFormatter
     /**
      *  Formats the given value using the measurement unit and options.
      *
+     * @param float|string|int $value
      *  @param MeasurementUnit|null $unit The measurement unit, whose unit symbol should be used for formatting.
      *                                    If set to null, it is assumed that the part amount is measured in pieces.
      *
-     * @param MeasurementUnit|null $unit The measurement unit, whose unit symbol should be used for formatting.
-     *                                   If set to null, it is assumed that the part amount is measured in pieces.
-     *
      * @return string The formatted string
      *
      * @throws InvalidArgumentException thrown if $value is not numeric
      */
-    public function format(float $value, ?MeasurementUnit $unit = null, array $options = [])
+    public function format($value, ?MeasurementUnit $unit = null, array $options = [])
     {
         if (! is_numeric($value)) {
             throw new InvalidArgumentException('$value must be an numeric value!');