diff --git a/sys/unix/NetHack.xcodeproj/project.xcworkspace/.gitignore b/sys/unix/NetHack.xcodeproj/project.xcworkspace/.gitignore
new file mode 100644
index 000000000..9bce6af39
--- /dev/null
+++ b/sys/unix/NetHack.xcodeproj/project.xcworkspace/.gitignore
@@ -0,0 +1 @@
+xcuserdata