diff --git a/changelog.md b/changelog.md
index b0a18a1..e7f30aa 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,6 @@
+# Version 0.6.4
+- Fixed a bug where current progress couldn't be set to zero in the tracked item edit dialog.
+
 # Version 0.6.3
 - Fixed a bug in `CrashTNT.getActivitiesForActor` that caused it to throw an error when used with actors with no activities
 - Fixed a bug in `CrashTNT.getActivity` that caused it to throw an error when used with actors with no activities
diff --git a/module.json b/module.json
index 74932e8..9e88e81 100644
--- a/module.json
+++ b/module.json
@@ -6,7 +6,7 @@
   "url": "https://github.com/crash1115/5e-training",
   "readme": "https://github.com/crash1115/5e-training/blob/master/README.md",
   "bugs": "https://github.com/crash1115/5e-training/issues",
-  "version": "0.6.3",
+  "version": "0.6.4",
   "minimumCoreVersion": "0.8.2",
   "compatibleCoreVersion": "0.8.8",
   "minimumSystemVersion": "1.3.0",
@@ -42,5 +42,5 @@
     }
   ],
   "manifest": "https://raw.githubusercontent.com/crash1115/5e-training/master/module.json",
-  "download": "https://github.com/crash1115/5e-training/releases/download/v0.6.3/5e-training.zip"
+  "download": "https://github.com/crash1115/5e-training/releases/download/v0.6.4/5e-training.zip"
 }
diff --git a/scripts/TrackedItemApp.js b/scripts/TrackedItemApp.js
index 3d73885..4fbc714 100644
--- a/scripts/TrackedItemApp.js
+++ b/scripts/TrackedItemApp.js
@@ -67,7 +67,7 @@ export default class TrackedItemApp extends FormApplication {
 
     html.on("change", "#progressInput", ev => {
       let newThing = parseInt($(ev.currentTarget).val());
-      if(!newThing || isNaN(newThing) || (newThing <= 0) || (newThing > this.object.item.completionAt)){
+      if((newThing == null) || isNaN(newThing) || (newThing < 0) || (newThing > this.object.item.completionAt)){
         ui.notifications.warn("Crash's Tracking & Training (5e): " + game.i18n.localize("C5ETRAINING.InputErrorProgress"));
         this.render();
       } else {