diff --git a/lib/consts.dart b/lib/consts.dart
index e0abfb2..942803f 100644
--- a/lib/consts.dart
+++ b/lib/consts.dart
@@ -9,7 +9,7 @@ class TTConsts {
   static get SESSION_SERVER =>
       "https://api.zontreck.com/timetrack/$UPDATE_CHANNEL/timetrack.php";
 
-  static const VERSION = "1.0.0-beta.15";
+  static const VERSION = "1.0.0-beta.16";
 
   static bool UPDATE_AVAILABLE = false;
   static UpdateChannel UPDATE_CHANNEL = UpdateChannel.beta;
diff --git a/lib/data.dart b/lib/data.dart
index f3e4632..05f8902 100644
--- a/lib/data.dart
+++ b/lib/data.dart
@@ -70,10 +70,15 @@ class SessionData {
 
   static String GetUnpaidHours() {
     // This is the inverted value of paid hours. We get total hours and subtract it from the paid hours. This gives us the unpaid hours.
-    Duration totalTime = EndTime.difference(StartTime);
-    Duration unpaid = _GetPaidHours() - totalTime;
+    Time totalHoursWorked = Time.fromNotation(GetPaidHours());
 
-    return Duration2Notation(unpaid);
+    Duration totalDuration = EndTime.difference(StartTime);
+    Time totalTime = Time.fromDuration(totalDuration);
+
+    Time unpaid = totalTime.copy();
+    unpaid.subtract(totalHoursWorked);
+
+    return unpaid.toString();
   }
 
   static String GetTotalMilesAsString() {
diff --git a/pubspec.yaml b/pubspec.yaml
index 85fa00d..f8f56b8 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -16,7 +16,7 @@ publish_to: "none" # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 1.0.0-beta.15
+version: 1.0.0-beta.16
 
 environment:
   sdk: ^3.7.2