diff --git a/takhta.html b/takhta.html
index 2e41f80..81f9fab 100644
--- a/takhta.html
+++ b/takhta.html
@@ -348,13 +348,9 @@
 						case 'B':
 						case 'N':
 						case 'R':
-							promotion = move.slice(index, index + 1);
-							break;
 						case 'K':
-							return {error: 'Cannot promote a piece to king'};
-							break;
 						case 'P':
-							return {error: 'Cannot promote a piece to pawn'};
+							promotion = move.slice(index, index + 1);
 							break;
 						default:
 							return {error: 'Unrecognized piece: ' + move.slice(index, index + 1)};