diff --git a/src/octoprint/static/js/app/viewmodels/files.js b/src/octoprint/static/js/app/viewmodels/files.js
index 2d5f6b7c..68bb3afb 100644
--- a/src/octoprint/static/js/app/viewmodels/files.js
+++ b/src/octoprint/static/js/app/viewmodels/files.js
@@ -354,7 +354,7 @@ $(function() {
             if (data["prints"] && data["prints"]["last"]) {
                 output += gettext("Last printed") + ": " + formatTimeAgo(data["prints"]["last"]["date"]) + "<br>";
                 if (data["prints"]["last"]["lastPrintTime"]) {
-                    output += gettext("Last print time") + ": " + formatDuration(data["prints"]["last"]["lastPrintTime"]);
+                    output += gettext("Last Print Time") + ": " + formatDuration(data["prints"]["last"]["printTime"]);
                 }
             }
             return output;