diff --git a/Misc/ACKS b/Misc/ACKS
index 6858a93..41e499f 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -379,6 +379,7 @@
 Gregor Schmid
 Peter Schneider-Kamp
 Sam Schulenburg
+Stefan Schwarzer
 Dietmar Schwertberger
 Barry Scott
 Steven Scott