diff --git a/lua/plugins/astrocore.lua b/lua/plugins/astrocore.lua
index c8f67a0..5d4d321 100644
--- a/lua/plugins/astrocore.lua
+++ b/lua/plugins/astrocore.lua
@@ -47,8 +47,8 @@ return {
         -- second key is the lefthand side of the map
 
         -- navigate buffer tabs
-        ["]b"] = { function() require("astrocore.buffer").nav(vim.v.count1) end, desc = "Next buffer" },
-        ["[b"] = { function() require("astrocore.buffer").nav(-vim.v.count1) end, desc = "Previous buffer" },
+        ["<Tab>"] = { function() require("astrocore.buffer").nav(vim.v.count1) end, desc = "Next buffer" },
+        ["<S-Tab>"] = { function() require("astrocore.buffer").nav(-vim.v.count1) end, desc = "Previous buffer" },
 
         -- mappings seen under group name "Buffer"
         ["<Leader>bd"] = {