diff --git a/test/org/rascalmpl/test/data/ExpressionGrammars.rsc b/test/org/rascalmpl/test/data/ExpressionGrammars.rsc
index d3a9870527..813b59cb47 100644
--- a/test/org/rascalmpl/test/data/ExpressionGrammars.rsc
+++ b/test/org/rascalmpl/test/data/ExpressionGrammars.rsc
@@ -1,5 +1,7 @@
 module ExpressionGrammars
 
+import ParseTree;
+
 lexical Id = [a-z] !<< [a-z]+ !>> [a-z];
 lexical Num = [0-9]+;
 layout W = [\ \t\n\r]*;