diff --git a/tools/check_recipe.R b/tools/check_recipe.R
index e11a3dd1b0a204d2b87ec9f68608b1016d9f8a42..42cb832c0fd5be6d2f64bc630308f5a7ec3ce705 100644
--- a/tools/check_recipe.R
+++ b/tools/check_recipe.R
@@ -677,7 +677,8 @@ check_recipe <- function(recipe) {
           if ('enscorr' %in% tolower(sc_metrics)) {
             recipe$Analysis$Workflow$Statistics <- c('std', 'cov', 'n_eff')
           }
-          recipe$Analysis$Workflow$Skill$metric <- requested_metrics
+          recipe$Analysis$Workflow$Skill$metric <- paste0(requested_metrics,
+                                                          collapse = " ")
         }
         if (tolower(recipe$Analysis$Output_format) != 'scorecards') {
           recipe$Analysis$Output_format  <- 'scorecards'