diff --git a/lua/telescope/builtin/__files.lua b/lua/telescope/builtin/__files.lua
index 746ddd8313..d442b3bada 100644
--- a/lua/telescope/builtin/__files.lua
+++ b/lua/telescope/builtin/__files.lua
@@ -186,7 +186,7 @@ files.live_grep = function(opts)
       -- TODO: It would be cool to use `--json` output for this
       -- and then we could get the highlight positions directly.
       sorter = sorters.highlighter_only(opts),
-      attach_mappings = function(_, map)
+      attach_mappings = opts.attach_mappings or function(_, map)
         map("i", "<c-space>", actions.to_fuzzy_refine)
         return true
       end,
diff --git a/lua/telescope/builtin/__lsp.lua b/lua/telescope/builtin/__lsp.lua
index a0220933bc..d82733580f 100644
--- a/lua/telescope/builtin/__lsp.lua
+++ b/lua/telescope/builtin/__lsp.lua
@@ -447,7 +447,7 @@ M.dynamic_workspace_symbols = function(opts)
       },
       previewer = conf.qflist_previewer(opts),
       sorter = sorters.highlighter_only(opts),
-      attach_mappings = function(_, map)
+      attach_mappings = opts.attach_mappings or function(_, map)
         map("i", "<c-space>", actions.to_fuzzy_refine)
         return true
       end,