diff --git a/src/HSL.php b/src/HSL.php
index 734f73d..b7b652e 100644
--- a/src/HSL.php
+++ b/src/HSL.php
@@ -154,7 +154,7 @@ public static function rgbToHSL(float $red, float $green, float $blue): array
      */
     public static function hslToRgb(float $hue, float $saturation, float $lightness): array
     {
-        $h = ((360 + ($hue % 360)) % 360) / 360;
+        $h = ((360 + (intval($hue) % 360)) % 360) / 360;
         $s = $saturation / 100;
         $l = $lightness / 100;