diff --git a/modules/plugins/completion/blink-cmp/blink-cmp.nix b/modules/plugins/completion/blink-cmp/blink-cmp.nix
index 65b88815..27a026ad 100644
--- a/modules/plugins/completion/blink-cmp/blink-cmp.nix
+++ b/modules/plugins/completion/blink-cmp/blink-cmp.nix
@@ -48,7 +48,7 @@ in {
       cmdline = {
         sources = mkOption {
           type = nullOr (listOf str);
-          default = [];
+          default = null;
           description = "List of sources to enable for cmdline. Null means use default source list.";
         };