diff --git a/antigen.zsh b/antigen.zsh
index 5a8060a..1e4155b 100644
--- a/antigen.zsh
+++ b/antigen.zsh
@@ -505,6 +505,8 @@ antigen () {
 
     # Without the following, `compdef` function is not defined.
     compinit -i
+
+    compdef _antigen antigen
 }
 
 # Same as `export $1=$2`, but will only happen if the name specified by `$1` is
@@ -530,6 +532,4 @@ _antigen () {
         help
 }
 
-compdef _antigen antigen
-
 -antigen-env-setup