diff --git a/BeARouter/BeARouter.csproj b/BeARouter/BeARouter.csproj
index dcefa8b..44f3fcb 100644
--- a/BeARouter/BeARouter.csproj
+++ b/BeARouter/BeARouter.csproj
@@ -6,7 +6,7 @@
     <UseWPF>true</UseWPF>
     <ApplicationIcon>c_router_blue_BoB_icon.ico</ApplicationIcon>
     <Authors>Philipp Albrecht</Authors>
-    <Version>1.0</Version>
+    <Version>1.1</Version>
     <PackageProjectUrl>https://github.com/muqiuq/BeASwitch</PackageProjectUrl>
     <PackageIcon>c_router_blue.png</PackageIcon>
     <PackageIconUrl />
diff --git a/BeARouter/GameEngine.cs b/BeARouter/GameEngine.cs
index 47da85f..a686869 100644
--- a/BeARouter/GameEngine.cs
+++ b/BeARouter/GameEngine.cs
@@ -249,15 +249,24 @@ public void CheckSolution()
             });
 
             LastAttemptCorrect = false;
+            var AllCorrect = true;
+            var theOneIsCorrect = false;
 
             foreach (var routerPort in Ports)
             {
                 if (routerPort.IsChecked && routerPort.IsMarked)
                 {
-                    NumberOfCorrectAttempts++;
-                    LastAttemptCorrect = true;
+                    theOneIsCorrect = true;
+                }
+                if (routerPort.IsChecked && !routerPort.IsMarked)
+                {
+                    AllCorrect = false;
                 }
             }
+            if(AllCorrect && theOneIsCorrect)
+            {
+                NumberOfCorrectAttempts++;
+            } 
             NumberOfAttempts++;
         }