diff --git a/lua/avante/diff.lua b/lua/avante/diff.lua
index 7c24b2f..8e4401f 100644
--- a/lua/avante/diff.lua
+++ b/lua/avante/diff.lua
@@ -502,18 +502,18 @@ local function set_highlights(highlights)
   local current_color = Utils.get_hl(highlights.current)
   local incoming_color = Utils.get_hl(highlights.incoming)
   local ancestor_color = Utils.get_hl(highlights.ancestor)
-  local current_bg = current_color.background or DEFAULT_CURRENT_BG_COLOR
-  local incoming_bg = incoming_color.background or DEFAULT_INCOMING_BG_COLOR
-  local ancestor_bg = ancestor_color.background or DEFAULT_ANCESTOR_BG_COLOR
+  local current_bg = current_color.bg or DEFAULT_CURRENT_BG_COLOR
+  local incoming_bg = incoming_color.bg or DEFAULT_INCOMING_BG_COLOR
+  local ancestor_bg = ancestor_color.bg or DEFAULT_ANCESTOR_BG_COLOR
   local current_label_bg = Utils.colors.shade_color(current_bg, 60)
   local incoming_label_bg = Utils.colors.shade_color(incoming_bg, 60)
   local ancestor_label_bg = Utils.colors.shade_color(ancestor_bg, 60)
-  api.nvim_set_hl(0, CURRENT_HL, { background = current_bg, bold = true, default = true })
-  api.nvim_set_hl(0, INCOMING_HL, { background = incoming_bg, bold = true, default = true })
-  api.nvim_set_hl(0, ANCESTOR_HL, { background = ancestor_bg, bold = true, default = true })
-  api.nvim_set_hl(0, CURRENT_LABEL_HL, { background = current_label_bg, default = true })
-  api.nvim_set_hl(0, INCOMING_LABEL_HL, { background = incoming_label_bg, default = true })
-  api.nvim_set_hl(0, ANCESTOR_LABEL_HL, { background = ancestor_label_bg, default = true })
+  api.nvim_set_hl(0, CURRENT_HL, { bg = current_bg, bold = true, default = true })
+  api.nvim_set_hl(0, INCOMING_HL, { bg = incoming_bg, bold = true, default = true })
+  api.nvim_set_hl(0, ANCESTOR_HL, { bg = ancestor_bg, bold = true, default = true })
+  api.nvim_set_hl(0, CURRENT_LABEL_HL, { bg = current_label_bg, default = true })
+  api.nvim_set_hl(0, INCOMING_LABEL_HL, { bg = incoming_label_bg, default = true })
+  api.nvim_set_hl(0, ANCESTOR_LABEL_HL, { bg = ancestor_label_bg, default = true })
 end
 
 function M.setup()