diff --git a/src/ErrorCorrectionLevel.php b/src/ErrorCorrectionLevel.php
index 8e8b4b9..a1042a8 100644
--- a/src/ErrorCorrectionLevel.php
+++ b/src/ErrorCorrectionLevel.php
@@ -34,6 +34,7 @@ public function toBaconErrorCorrectionLevel(): BaconErrorCorrectionLevel
     {
         $name = strtoupper(substr($this->getValue(), 0, 1));
 
+        /** @psalm-suppress ImpureMethodCall */
         return BaconErrorCorrectionLevel::valueOf($name);
     }
 }