diff --git a/structlog-mode.el b/structlog-mode.el
index ec92b44..39195c2 100644
--- a/structlog-mode.el
+++ b/structlog-mode.el
@@ -137,7 +137,7 @@
               (list log-alist
                     (cl-map 'vector
                             (lambda (field)
-                              (alist-get field log-alist))
+                              (or (alist-get field log-alist) ""))
                             structlog-fields)))
             structlog-logs)))