diff --git a/cookbook/external_completers.md b/cookbook/external_completers.md
index 4b141794ba9..c59288e0461 100644
--- a/cookbook/external_completers.md
+++ b/cookbook/external_completers.md
@@ -116,7 +116,7 @@ let carapace_completer = {|spans: list<string>|
 let external_completer = {|spans|
     let expanded_alias = scope aliases
     | where name == $spans.0
-    | get -i 0.expansion
+    | get -o 0.expansion
 
     let spans = if $expanded_alias != null {
         $spans