diff --git a/rlgwebd.js b/rlgwebd.js
index 9071688..d4ca770 100755
--- a/rlgwebd.js
+++ b/rlgwebd.js
@@ -1035,8 +1035,10 @@ function getStatus(callback) {
     }
   }
   for (var i = 0; i < statusinfo.g.length; i++) {
-    if (statusinfo.g[i].n in sessions) {
-      fs.fstat(sessions[statusinfo.g[i].n].record.fd, makecallback(i));
+    /* fd sometimes isn't a number, presumably when the file isn't open yet. */
+    var ssid = statusinfo.g[i].n;
+    if (ssid in sessions && typeof(sessions[ssid].record.fd) == 'number') {
+      fs.fstat(sessions[ssid].record.fd, makecallback(i));
     }
     else {
       idleset(i, null);