diff --git a/SharedProject/Core/MsTestPlatform/CodeCoverage/ProjectSaver.cs b/SharedProject/Core/MsTestPlatform/CodeCoverage/ProjectSaver.cs
new file mode 100644
index 00000000..e5f03004
--- /dev/null
+++ b/SharedProject/Core/MsTestPlatform/CodeCoverage/ProjectSaver.cs
@@ -0,0 +1,40 @@
+using Microsoft;
+using Microsoft.VisualStudio;
+using Microsoft.VisualStudio.Shell;
+using Microsoft.VisualStudio.Shell.Interop;
+using System;
+using System.ComponentModel.Composition;
+
+namespace FineCodeCoverage.Core.MsTestPlatform.CodeCoverage
+{
+    interface IProjectSaver
+    {
+        void SaveProject(IVsHierarchy projectHierarchy);
+    }
+
+    [Export(typeof(IProjectSaver))]
+    internal class ProjectSaver : IProjectSaver
+    {
+        private IServiceProvider serviceProvider;
+
+        [ImportingConstructor]
+        public ProjectSaver(
+            [Import(typeof(SVsServiceProvider))]
+            IServiceProvider serviceProvider
+        )
+        {
+            this.serviceProvider  = serviceProvider;
+        }
+
+        public void SaveProject(IVsHierarchy projectHierarchy)
+        {
+            ThreadHelper.ThrowIfNotOnUIThread();
+            var _solution = (IVsSolution)serviceProvider.GetService(typeof(SVsSolution));
+            Assumes.Present(_solution);
+            int hr = _solution.SaveSolutionElement((uint)__VSSLNSAVEOPTIONS.SLNSAVEOPT_SaveIfDirty, projectHierarchy, 0);
+            if (ErrorHandler.Failed(hr))
+            {
+            }
+        }
+    }
+}
diff --git a/SharedProject/Core/MsTestPlatform/CodeCoverage/VsRunSettingsWriter.cs b/SharedProject/Core/MsTestPlatform/CodeCoverage/VsRunSettingsWriter.cs
index 8f9f7519..fa603582 100644
--- a/SharedProject/Core/MsTestPlatform/CodeCoverage/VsRunSettingsWriter.cs
+++ b/SharedProject/Core/MsTestPlatform/CodeCoverage/VsRunSettingsWriter.cs
@@ -4,8 +4,8 @@
 using Microsoft.VisualStudio.Shell.Interop;
 using System;
 using System.ComponentModel.Composition;
-using Task = System.Threading.Tasks.Task;
 using System.Threading.Tasks;
+using FineCodeCoverage.Core.MsTestPlatform.CodeCoverage;
 
 namespace FineCodeCoverage.Engine.MsTestPlatform.CodeCoverage
 {
@@ -14,14 +14,17 @@ internal class VsRunSettingsWriter : IVsRunSettingsWriter
     {
         private const string projectRunSettingsFilePathElementName = "RunSettingsFilePath";
         private readonly IServiceProvider serviceProvider;
+        private readonly IProjectSaver projectSaver;
 
         [ImportingConstructor]
         public VsRunSettingsWriter(
             [Import(typeof(SVsServiceProvider))]
-            IServiceProvider serviceProvider
+            IServiceProvider serviceProvider,
+            IProjectSaver projectSaver
         )
         {
             this.serviceProvider = serviceProvider;
+            this.projectSaver = projectSaver;
         }
 
         public async Task<bool> WriteRunSettingsFilePathAsync(Guid projectGuid, string projectRunSettingsFilePath)
@@ -34,8 +37,7 @@ public async Task<bool> WriteRunSettingsFilePathAsync(Guid projectGuid, string p
             {
                 if (vsHierarchy is IVsBuildPropertyStorage vsBuildPropertyStorage)
                 {
-                    // care not to use 2 !
-                    success = vsBuildPropertyStorage.SetPropertyValue(projectRunSettingsFilePathElementName, null, 1, projectRunSettingsFilePath) == VSConstants.S_OK;
+                    success = vsBuildPropertyStorage.SetPropertyValue(projectRunSettingsFilePathElementName, string.Empty, (uint)_PersistStorageType.PST_PROJECT_FILE, projectRunSettingsFilePath) == VSConstants.S_OK;
                 }
             }
             return success;
@@ -43,6 +45,7 @@ public async Task<bool> WriteRunSettingsFilePathAsync(Guid projectGuid, string p
 
         public async Task<bool> RemoveRunSettingsFilePathAsync(Guid projectGuid)
         {
+
             var ok = false;
             await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
             var vsSolution = serviceProvider.GetService(typeof(SVsSolution)) as IVsSolution;
@@ -51,7 +54,12 @@ public async Task<bool> RemoveRunSettingsFilePathAsync(Guid projectGuid)
             {
                 if (vsHierarchy is IVsBuildPropertyStorage vsBuildPropertyStorage)
                 {
-                    ok = vsBuildPropertyStorage.RemoveProperty(projectRunSettingsFilePathElementName, null, 1) == VSConstants.S_OK;
+                    ok = vsBuildPropertyStorage.RemoveProperty(projectRunSettingsFilePathElementName, string.Empty, (uint)_PersistStorageType.PST_PROJECT_FILE) == VSConstants.S_OK;
+
+                    if (ok)
+                    {
+                        this.projectSaver.SaveProject(vsHierarchy);
+                    }
                 }
             }
             return ok;
diff --git a/SharedProject/SharedProject.projitems b/SharedProject/SharedProject.projitems
index c12aa91f..23fbaf57 100644
--- a/SharedProject/SharedProject.projitems
+++ b/SharedProject/SharedProject.projitems
@@ -94,6 +94,7 @@
     <Compile Include="$(MSBuildThisFileDirectory)Core\Model\VsBuildFCCSettingsProvider.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Core\MsTestPlatform\CodeCoverage\ITemplatedRunSettingsService.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Core\MsTestPlatform\CodeCoverage\MsTemplateReplacementException.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Core\MsTestPlatform\CodeCoverage\ProjectSaver.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Core\MsTestPlatform\CodeCoverage\RunSettingsTemplate.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Core\MsTestPlatform\CodeCoverage\CustomRunSettingsTemplateProvider.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Core\MsTestPlatform\CodeCoverage\IRunSettingsTemplate.cs" />