diff --git a/src/augeas_sym.version b/src/augeas_sym.version
index c4fd71da7..671636e32 100644
--- a/src/augeas_sym.version
+++ b/src/augeas_sym.version
@@ -69,6 +69,10 @@ AUGEAS_0.18.0 {
 AUGEAS_0.20.0 {
     global:
       aug_escape_name;
+} AUGEAS_0.18.0;
+
+AUGEAS_0.21.0 {
+    global:
       luaopen_augeas;
       aug_lua;
-} AUGEAS_0.18.0;
+} AUGEAS_0.20.0;