diff --git a/elfeed-export.el b/elfeed-export.el
index 1c9d665..d748ddf 100644
--- a/elfeed-export.el
+++ b/elfeed-export.el
@@ -62,15 +62,18 @@
              (when (memq 'content elfeed-export-fields)
                (cons "content" (elfeed-deref (elfeed-entry-content entry))))))))
 
-(defun elfeed-export-to-json ()
+(defun elfeed-export--entries ()
   (let ((entries)
         (feeds (elfeed-feed-list)))
-    (dolist (feed (seq-take feeds 1))
+    (dolist (feed feeds)
       (setq entries
             (append entries
                     (elfeed-feed-entries feed))))
-    (json-encode
-     (mapcar #'elfeed-export--entry-to-alist entries))))
+    entries))
+
+(defun elfeed-export-to-json ()
+  (json-encode
+   (mapcar #'elfeed-export--entry-to-alist (elfeed-export--entries))))
 
 (defun elfeed-export-to-file (path)
   (interactive "F")