diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 4cc8f3306..de19a80cd 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -389,7 +389,7 @@ Valentino Miazzo
 Victor Toni
 Vimil Saju
 Vincent Legoll
-Vitold S
+Vitold Sedyshev
 Volker Leidl
 Waldek Herka
 Wang Weijun
diff --git a/contributors.xml b/contributors.xml
index f8d6105a9..be1a4ca07 100644
--- a/contributors.xml
+++ b/contributors.xml
@@ -1566,7 +1566,7 @@
   </name>
   <name>
     <first>Vitold</first>
-    <last>S</last>
+    <last>Sedyshev</last>
   </name>
   <name>
     <first>Volker</first>