diff --git a/lua/fzf-lua/cmp_src.lua b/lua/fzf-lua/cmp_src.lua
index f5fc1aa1..db8c2653 100644
--- a/lua/fzf-lua/cmp_src.lua
+++ b/lua/fzf-lua/cmp_src.lua
@@ -65,6 +65,7 @@ function Src._register_cmdline()
   cmp.register_source("FzfLua", Src)
   Src._registered = true
   local cmdline_cfg = require("cmp.config").cmdline
+  if not cmdline_cfg or not cmdline_cfg[":"] then return end
   local has_fzf_lua = false
   for _, s in ipairs(cmdline_cfg[":"].sources or {}) do
     if s.name == "FzfLua" then