diff --git a/kittens/diff/main.py b/kittens/diff/main.py
index 488977145..7c951a340 100644
--- a/kittens/diff/main.py
+++ b/kittens/diff/main.py
@@ -208,7 +208,7 @@ class DiffHandler(Handler):
                 break
 
         if num is not None:
-            self.scroll_pos = min(num, self.max_scroll_pos)
+            self.scroll_pos = max(0, min(num, self.max_scroll_pos))
 
     @property
     def num_lines(self):