diff --git a/R/build_publication_items.R b/R/build_publication_items.R
index 56ab254..398de51 100644
--- a/R/build_publication_items.R
+++ b/R/build_publication_items.R
@@ -13,7 +13,8 @@
 build_publication_items <- function(var_citation, var_doi){
 
   if (is.null(var_citation) | is.null(var_doi)){
-    return(NULL)
+    t <- array()
+    #return(NULL)
   }else{
   doi_list <- c(catalog_config$citation_doi)
   citation_list <- c(catalog_config$citation_text)
@@ -28,7 +29,8 @@ build_publication_items <- function(var_citation, var_doi){
       "doi" = .x,
       "citation" = .y)
   )
+  }
 
   return(t)
-  }
+  #}
 }