diff --git a/README.md b/README.md
index e1cfade..9deda81 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Todoist.Net
 [![Build status](https://ci.appveyor.com/api/projects/status/r5ylbxtpjya9ayk2?svg=true)](https://ci.appveyor.com/project/olsh/todoist-net)
-[![Quality Gate](https://sonarcloud.io/api/project_badges/measure?project=olsh_todoist-net&metric=alert_status)](https://sonarcloud.io/dashboard?id=olsh_todoist-net)
+[![Quality Gate](https://sonarcloud.io/api/project_badges/measure?project=todoist-net&metric=alert_status)](https://sonarcloud.io/dashboard?id=todoist-net)
 [![NuGet](https://img.shields.io/nuget/v/Todoist.Net.svg)](https://www.nuget.org/packages/Todoist.Net/)
 
 A [Todoist Sync API](https://developer.todoist.com/sync/v9/) client for .NET.
diff --git a/src/Todoist.Net/Models/DueDate.cs b/src/Todoist.Net/Models/DueDate.cs
index 643d521..ea43054 100644
--- a/src/Todoist.Net/Models/DueDate.cs
+++ b/src/Todoist.Net/Models/DueDate.cs
@@ -135,7 +135,7 @@ internal string StringDate
 
             set
             {
-                if (DateTime.TryParseExact(value, FullDayEventDateFormat, null, DateTimeStyles.None, out var date))
+                if (DateTime.TryParseExact(value, FullDayEventDateFormat, CultureInfo.InvariantCulture, DateTimeStyles.None, out var date))
                 {
                     IsFullDay = true;
                     Date = date;
@@ -143,7 +143,7 @@ internal string StringDate
                     return;
                 }
 
-                Date = DateTime.Parse(value);
+                Date = DateTime.Parse(value, CultureInfo.InvariantCulture);
             }
         }
     }