diff --git a/vignettes/RMassBankXCMS.Rnw b/vignettes/RMassBankXCMS.Rnw
index cdfc22a85a1da1c5a5b6eba3e5b2720aae648472..80751119f6a19af8f6612ea4ae6f57e2e57e1782 100644
--- a/vignettes/RMassBankXCMS.Rnw
+++ b/vignettes/RMassBankXCMS.Rnw
@@ -169,7 +169,7 @@ note that the naming of the csv has to be similar to the mzdata-files,
 with the only difference being the filename extension.  The readMethod
 name for this is "peaklist"
 
-<<eval=FALSE>>=
+<<>>=
 msmsPeaklist <- newMsmsWorkspace()
 msmsPeaklist@files <- list.files(system.file("spectra.Glucolesquerellin",
                                              package = "RMassBankData"),