diff --git a/src/elements/ContactElement.php b/src/elements/ContactElement.php
index 744bbe59..521df20d 100755
--- a/src/elements/ContactElement.php
+++ b/src/elements/ContactElement.php
@@ -829,7 +829,9 @@ protected function thumbSvg(): ?string
         // Choose a color based on the UUID
         $uid = strtolower($this->uid ?? '00ff');
         $totalColors = count(self::$photoColors);
+        /** @phpstan-ignore-next-line */
         $color1Index = base_convert(substr($uid, 0, 2), 16, 10) % $totalColors;
+        /** @phpstan-ignore-next-line */
         $color2Index = base_convert(substr($uid, 2, 2), 16, 10) % $totalColors;
         if ($color2Index === $color1Index) {
             $color2Index = ($color1Index + 1) % $totalColors;