diff --git a/R/prepare_params.R b/R/prepare_params.R
index 50377f897..420c64765 100644
--- a/R/prepare_params.R
+++ b/R/prepare_params.R
@@ -54,7 +54,7 @@ prepare_params <- function(filename = params$files$pattern,
       ms_mode %in% c("pos", "neg")
   )
 
-  params <<- parameters
+  params <- parameters
   filename <<- filename
   features <<- features
   spectra <<- spectra