diff --git a/libexec/rbenv-completions b/libexec/rbenv-completions
index 4cb020cf..19551c2e 100755
--- a/libexec/rbenv-completions
+++ b/libexec/rbenv-completions
@@ -10,6 +10,11 @@ if [ -z "$COMMAND" ]; then
   exit 1
 fi
 
+# Provide rbenv completions
+if [ "$COMMAND" = "--complete" ]; then
+  exec rbenv-commands
+fi
+
 COMMAND_PATH="$(command -v "rbenv-$COMMAND" || command -v "rbenv-sh-$COMMAND")"
 
 # --help is provided automatically