diff --git a/contributors.txt b/contributors.txt
index d5ebacd47..368c00d28 100644
--- a/contributors.txt
+++ b/contributors.txt
@@ -293,3 +293,4 @@ YYYY/MM/DD, github id, Full name, email
 2021/03/02, hackeris
 2021/03/03, xTachyon, Damian Andrei, xTachyon@users.noreply.github.com
 2021/04/07, b1f6c1c4, Jinzheng Tu, b1f6c1c4@gmail.com
+2021/04/24, bigerl, Alexander Bigerl, alexander [äät] bigerl [pkt] eu