diff --git a/src/octoprint/static/js/app/viewmodels/gcode.js b/src/octoprint/static/js/app/viewmodels/gcode.js
index e51592f5..c7aabdd1 100644
--- a/src/octoprint/static/js/app/viewmodels/gcode.js
+++ b/src/octoprint/static/js/app/viewmodels/gcode.js
@@ -435,7 +435,7 @@ $(function() {
             } else {
                 var output = [];
                 output.push(gettext("Model size") + ": " + model.width.toFixed(2) + "mm × " + model.depth.toFixed(2) + "mm × " + model.height.toFixed(2) + "mm");
-                output.push(gettext("Estimated total print time") + ": " + formatDuration(model.printTime));
+                output.push(gettext("Estimated total print time") + ": " + formatFuzzyEstimation(model.printTime));
                 output.push(gettext("Estimated layer height") + ": " + model.layerHeight.toFixed(2) + gettext("mm"));
                 output.push(gettext("Layer count") + ": " + model.layersPrinted.toFixed(0) + " " + gettext("printed") + ", " + model.layersTotal.toFixed(0) + " " + gettext("visited"));
 
@@ -472,7 +472,7 @@ $(function() {
                         }
                     }
                 }
-                output.push(gettext("Print time for layer") + ": " + formatDuration(layer.printTime));
+                output.push(gettext("Print time for layer") + ": " + formatFuzzyEstimation(layer.printTime));
 
                 self.ui_layerInfo(output.join("<br>"));
 
diff --git a/src/octoprint/static/js/app/viewmodels/printerstate.js b/src/octoprint/static/js/app/viewmodels/printerstate.js
index f0696e92..ddbfc9ac 100644
--- a/src/octoprint/static/js/app/viewmodels/printerstate.js
+++ b/src/octoprint/static/js/app/viewmodels/printerstate.js
@@ -51,9 +51,9 @@ $(function() {
 
         self.estimatedPrintTimeString = ko.pureComputed(function() {
             if (self.lastPrintTime())
-                return formatDuration(self.lastPrintTime());
+                return formatFuzzyEstimation(self.lastPrintTime());
             if (self.estimatedPrintTime())
-                return formatDuration(self.estimatedPrintTime());
+                return formatFuzzyEstimation(self.estimatedPrintTime());
             return "-";
         });
         self.byteString = ko.pureComputed(function() {