diff --git a/src/prelude/Predef.gf b/src/prelude/Predef.gf
index abe6563ad..10af6e3f2 100644
--- a/src/prelude/Predef.gf
+++ b/src/prelude/Predef.gf
@@ -37,5 +37,6 @@ resource Predef = {
   oper mapStr : (L : Type) -> (Str -> Str) -> L -> L = variants {} ; 
                -- map all strings in a data structure; experimental ---
   oper nonExist : Str = variants {} ;  -- a placeholder for non-existant morphological forms
+  oper BIND : Str = variants {} ;  -- a token for gluing
 
 } ;
diff --git a/src/prelude/Prelude.gf b/src/prelude/Prelude.gf
index 027910e3f..fd8ac6aef 100644
--- a/src/prelude/Prelude.gf
+++ b/src/prelude/Prelude.gf
@@ -114,7 +114,7 @@ oper
 
 -- These should be hidden, and never changed since they are hardcoded in (un)lexers
 
-    BIND : Str = "&+" ;
+    BIND : Str = Predef.BIND;
     PARA : Str = "&-" ;
     CAPIT : Str = "&|" ;