diff --git a/press-n-post b/press-n-post
index e0504ba..23d11a5 100755
--- a/press-n-post
+++ b/press-n-post
@@ -76,7 +76,7 @@ namespace eval pdf {
 		pages:
 		year:
 		language: $::pdf::language
-		filesize: $::pdf::tags(File Size)
+		pdf_size: $::pdf::tags(File Size)
 		pdf:      $::pdf::file
 		tags:
 		-