diff --git a/gallery_dl/extractor/tumblr.py b/gallery_dl/extractor/tumblr.py
index 541b981f58..52b22930cb 100644
--- a/gallery_dl/extractor/tumblr.py
+++ b/gallery_dl/extractor/tumblr.py
@@ -87,6 +87,7 @@ def items(self):
             post["reblogged"] = reblog
 
             post["blog"] = blog
+            post["date"] = text.parse_timestamp(post["timestamp"])
             post["num"] = 0
 
             if "trail" in post: