diff --git a/lib/radisk.js b/lib/radisk.js
index 03bdcc6a..ac60e0bb 100644
--- a/lib/radisk.js
+++ b/lib/radisk.js
@@ -270,8 +270,9 @@
 					if(disk){ RAD = g.disk = disk }
 					disk = Q[g.file]; delete Q[g.file];
 					LOG && opt.log(S, +new Date - S, 'rad read in, ack', disk.length); S = +new Date;
+					var STMP = disk.length;
 					map(disk, g.ack);
-					LOG && opt.log(S, +new Date - S, 'rad read acked');
+					LOG && opt.log(S, +new Date - S, 'rad read acked', STMP, g.file);
 				}
 				g.ack = function(as){
 					if(!as.ack){ return }