diff --git a/http/src/blog/rss.uppxml b/http/src/blog/rss.uppxml
index ce20560..fe69d37 100644
--- a/http/src/blog/rss.uppxml
+++ b/http/src/blog/rss.uppxml
@@ -18,7 +18,7 @@ NOW_RFC_822="$(TZ=UT date +"%a, %d %b %Y %H:%M:%S UT")"
 for post in $POSTS; do
 POST_ID="${post::${#post}-13}"
 source "${SRC}/blog/${post}.args"
-DATE_PUBLISHED_RFC_822="$(TZ=UT date --date="${POST_ID}" +"%a, %d %b %Y %H:%M:%S UT")"
+DATE_PUBLISHED_RFC_822="$(TZ=UT date --date="${POST_ID::10}" +"%a, %d %b %Y %H:%M:%S UT")"
 #!
 <item>