diff --git a/public/modules/custom/helfi_rekry_content/helfi_rekry_content.module b/public/modules/custom/helfi_rekry_content/helfi_rekry_content.module
index 06203fbd..e4e142e3 100644
--- a/public/modules/custom/helfi_rekry_content/helfi_rekry_content.module
+++ b/public/modules/custom/helfi_rekry_content/helfi_rekry_content.module
@@ -221,7 +221,7 @@ function helfi_rekry_content_preprocess_field(&$variables) {
   ];
 
   // Use span instead of div for inline fields.
-  if ($variables['field_name'] && in_array($variables['field_name'], $inlineFields)) {
+  if (isset($variables['field_name']) && in_array($variables['field_name'], $inlineFields)) {
     $variables['original_language_inline'] = TRUE;
   }