diff --git a/COPYING.md b/COPYING.md
index f18409d02e2c1..492881102688a 100644
--- a/COPYING.md
+++ b/COPYING.md
@@ -61,6 +61,7 @@ public/piece/gioco | [sadsnake1](https://github.com/sadsnake1) | [CC BY-NC-SA 4.
 public/piece/tatiana | [sadsnake1](https://github.com/sadsnake1) | [CC BY-NC-SA 4.0](https://creativecommons.org/licenses/by-nc-sa/4.0/)
 public/piece/staunty | [sadsnake1](https://github.com/sadsnake1) | [CC BY-NC-SA 4.0](https://creativecommons.org/licenses/by-nc-sa/4.0/)
 public/piece/dubrovny | [sadsnake1](https://github.com/sadsnake1) | [CC BY-NC-SA 4.0](https://creativecommons.org/licenses/by-nc-sa/4.0/)
+public/piece/libra | [sadsnake1](https://github.com/sadsnake1) | [CC BY-NC-SA 4.0](https://creativecommons.org/licenses/by-nc-sa/4.0/)
 public/sounds/futuristic | [Enigmahack](https://github.com/Enigmahack) | AGPLv3+
 public/sounds/nes | [Enigmahack](https://github.com/Enigmahack) | AGPLv3+
 public/sounds/piano | [Enigmahack](https://github.com/Enigmahack) | AGPLv3+
diff --git a/bin/gen/piece-sprite b/bin/gen/piece-sprite
index a85c55cde2d8a..0e418e132deda 100755
--- a/bin/gen/piece-sprite
+++ b/bin/gen/piece-sprite
@@ -32,6 +32,7 @@ themes = [
   ['gioco', 'svg'],
   ['tatiana', 'svg'],
   ['staunty', 'svg'],
+  ['libra', 'svg'],
   ['dubrovny', 'svg'],
   ['icpieces', 'svg']
 ]
diff --git a/modules/pref/src/main/PieceSet.scala b/modules/pref/src/main/PieceSet.scala
index 6a2412ec386e0..9278a2821eb0d 100644
--- a/modules/pref/src/main/PieceSet.scala
+++ b/modules/pref/src/main/PieceSet.scala
@@ -32,8 +32,8 @@ object PieceSet extends PieceSetObject {
     "spatial", "california", "pixel",
     "maestro", "fresca", "cardinal",
     "gioco", "tatiana", "staunty",
-    "dubrovny", "icpieces", "shapes",
-    "letter"
+    "libra", "dubrovny", "icpieces",
+    "shapes", "letter"
   ) map { name => new PieceSet(name) }
 }