diff --git a/exist-core/src/main/antlr/org/exist/xquery/parser/XQuery.g b/exist-core/src/main/antlr/org/exist/xquery/parser/XQuery.g
index 6ed1d0349a1..188804f1e33 100644
--- a/exist-core/src/main/antlr/org/exist/xquery/parser/XQuery.g
+++ b/exist-core/src/main/antlr/org/exist/xquery/parser/XQuery.g
@@ -2342,6 +2342,8 @@ reservedKeywords returns [String name]
     "after" { name = "after"; }
     |
     "before" { name = "before"; }
+    |
+    "copy" { name = "copy"; }
 	;
 
 /**