diff --git a/lua/gitsigns/hunks.lua b/lua/gitsigns/hunks.lua
index 50ea8b78..8263871c 100644
--- a/lua/gitsigns/hunks.lua
+++ b/lua/gitsigns/hunks.lua
@@ -171,11 +171,7 @@ end
 function M.calc_signs(hunk, min_lnum, max_lnum, untracked)
   assert(
     not untracked or hunk.type == 'add',
-    string.format(
-      'Invalid hunk with untracked=%s hunk="%s"',
-      untracked,
-      vim.inspect(hunk, untracked, vim.inspect(hunk.head))
-    )
+    string.format('Invalid hunk with untracked=%s hunk="%s"', untracked, hunk.head)
   )
   min_lnum = min_lnum or 1
   max_lnum = max_lnum or math.huge