diff --git a/lua/plugins/20-lsp.lua b/lua/plugins/20-lsp.lua
index daf5402..4298dc6 100644
--- a/lua/plugins/20-lsp.lua
+++ b/lua/plugins/20-lsp.lua
@@ -13,8 +13,15 @@ return {
             },
             timeout_ms = 1000,
         },
-        -- mappings to be set up on attaching of a language server
-        mappings = {},
+        mappings = {
+            n = {
+                gh = {
+                    require("clangd_extensions.switch_source_header").switch_source_header,
+                    desc = "Switch to matching source or header file",
+                    cond = "textDocument/switchSourceHeader",
+                },
+            },
+        },
         ---@diagnostic disable: missing-fields
         config = {
             clangd = {