diff --git a/cpp/ql/test/library-tests/types/sizeof/sizeof.ql b/cpp/ql/test/library-tests/types/sizeof/sizeof.ql
index 0ec6711adb8..46d78ebbe60 100644
--- a/cpp/ql/test/library-tests/types/sizeof/sizeof.ql
+++ b/cpp/ql/test/library-tests/types/sizeof/sizeof.ql
@@ -2,7 +2,7 @@ import cpp
 
 from SizeofOperator sto, string elemDesc, Element e
 where
-  elemDesc = "SizeofTypeOperator.getTypeOperand()" and
+  elemDesc = "SizeofOperator.getTypeOperand()" and
   e = sto.(SizeofOperator).getTypeOperand()
   or
   elemDesc = "SizeofExprOperator.getExprOperand()" and