1 files changed, 7 insertions, 1 deletions
diff --git a/app/helpers/jsonld_helper.rb b/app/helpers/jsonld_helper.rb
index 62eb50f78..c24d2ddf1 100644
--- a/app/helpers/jsonld_helper.rb
+++ b/app/helpers/jsonld_helper.rb
@@ -34,7 +34,13 @@ module JsonLdHelper
   end
 
   def as_array(value)
-    value.is_a?(Array) ? value : [value]
+    if value.nil?
+      []
+    elsif value.is_a?(Array)
+      value
+    else
+      [value]
+    end
   end
 
   def value_or_id(value)