diff --git a/lua/codediff/ui/inline.lua b/lua/codediff/ui/inline.lua
index 446efcda..c91b95ec 100644
--- a/lua/codediff/ui/inline.lua
+++ b/lua/codediff/ui/inline.lua
@@ -9,6 +9,9 @@ local compat = require("codediff.core.compat")
 -- Dedicated namespace for inline diff (separate from side-by-side namespaces)
 M.ns_inline = vim.api.nvim_create_namespace("codediff-inline")
 
+-- Allow deleted-line virt_lines to scroll horizontally with the window
+local virt_lines_overflow = vim.fn.has("nvim-0.11") == 1 and "scroll" or nil
+
 -- Cache for merged highlight groups (syntax fg + diff bg)
 local merged_hl_cache = {}
 
@@ -430,6 +433,7 @@ function M.render_inline_diff(bufnr, diff_result, original_lines, modified_lines
       pcall(vim.api.nvim_buf_set_extmark, bufnr, M.ns_inline, anchor_line, 0, {
         virt_lines = virt_lines,
         virt_lines_above = true,
+        virt_lines_overflow = virt_lines_overflow,
         priority = highlight_priority,
       })
     end