diff --git a/relast2uml.base/src/main/jastadd/scanner/Keywords.flex b/relast2uml.base/src/main/jastadd/scanner/Keywords.flex
index 1fdee3b200da012b360f196de80b97b5b4470897..da23f5cac26860abdda8b61003d41a04022d44a5 100644
--- a/relast2uml.base/src/main/jastadd/scanner/Keywords.flex
+++ b/relast2uml.base/src/main/jastadd/scanner/Keywords.flex
@@ -1 +1 @@
-"folder"       { return sym(Terminals.FOLDER); }
+"folder"       { yybegin(DECLARATION); return sym(Terminals.FOLDER); }