diff --git a/src/main.zig b/src/main.zig
index 1e7c812..4605998 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -160,6 +160,7 @@ test "uci go" {
 
     const out = uci("go", game, alloc);
     try std.testing.expect(out == .move);
+    alloc.free(out.move);
 }
 
 test "uci position" {