diff --git a/users/tazjin/dotfiles/niri.config.kdl b/users/tazjin/dotfiles/niri.config.kdl
index a5926d5a8..8873404f7 100644
--- a/users/tazjin/dotfiles/niri.config.kdl
+++ b/users/tazjin/dotfiles/niri.config.kdl
@@ -12,6 +12,10 @@ input {
     touchpad {
         tap
     }
+
+    trackball {
+        left-handed
+    }
 }
 
 layout {