diff --git a/src/app/Fake.Runtime/SdkAssemblyResolver.fs b/src/app/Fake.Runtime/SdkAssemblyResolver.fs
index 0bc6bca1c9c..0a687d94155 100644
--- a/src/app/Fake.Runtime/SdkAssemblyResolver.fs
+++ b/src/app/Fake.Runtime/SdkAssemblyResolver.fs
@@ -15,6 +15,7 @@ open Microsoft.Deployment.DotNet.Releases
 /// package extract them a and reference them.
 type SdkAssemblyResolver() =
 #if DOTNETCORE
+    let CustomDotNetHostPath = Environment.environVarOrDefault "FAKE_SDK_RESOLVER_CUSTOM_DOTNET_PATH" ""
 
     member this.SdkVersionRaw = "6.0"
 
@@ -72,9 +73,12 @@ type SdkAssemblyResolver() =
         let systemInstallDir = DotNet.defaultSystemInstallDir
 
         let dotnetHostPath =
-            match File.Exists(userInstallDir </> dotnetHost) with
-            | true -> userInstallDir
-            | false -> systemInstallDir
+            if not(String.isNullOrEmpty CustomDotNetHostPath)
+            then CustomDotNetHostPath
+            else
+                match File.Exists(userInstallDir </> dotnetHost) with
+                | true -> userInstallDir
+                | false -> systemInstallDir
 
         let referenceAssembliesPath =
             dotnetHostPath
@@ -93,7 +97,7 @@ type SdkAssemblyResolver() =
             )
             |> Seq.toList
         | false ->
-            failwithf "Could not found referenced assemblies in path: '%s', please check installed SDK and runtime versions" referenceAssembliesPath
+            failwithf "Could not find referenced assemblies in path: '%s', please check installed SDK and runtime versions" referenceAssembliesPath
 
     member this.NetStandard20ReferenceAssemblies
         (
diff --git a/src/test/Fake.Core.IntegrationTests/Fake.DotNet.sdkAssemblyResolver.fs b/src/test/Fake.Core.IntegrationTests/Fake.DotNet.sdkAssemblyResolver.fs
index db207e8a592..ff0eaf92be0 100644
--- a/src/test/Fake.Core.IntegrationTests/Fake.DotNet.sdkAssemblyResolver.fs
+++ b/src/test/Fake.Core.IntegrationTests/Fake.DotNet.sdkAssemblyResolver.fs
@@ -8,6 +8,7 @@ open System.IO
 open Fake.IO.FileSystemOperators
 open Expecto
 open Fake.Core.IntegrationTests.TestHelpers
+open Fake.Runtime
 
 [<Tests>]
 let tests =
@@ -32,13 +33,26 @@ let tests =
 
           testCase "Runner run script with 6.0.100-preview.3.21202.5 SDK version assemblies" <| fun _ ->
               try
+                  use d = createTestDir()
+                  let installerDir = Path.Combine(d.Dir, "Temp Dir")
+                  Directory.create installerDir
+                  let preparedDir = Path.Combine(d.Dir, "Install Dir")
+                  Directory.create preparedDir
+
                   DotNet.install (fun option ->
-                    { option with
+                  { option with
+                        InstallerOptions = fun o ->
+                                  { option.InstallerOptions o with
+                                        CustomDownloadDir = Some installerDir }
                         ForceInstall = true
-                        WorkingDirectory = scenarioTempPath "core-reference-assemblies-net60"
+                        WorkingDirectory = scenarioTempPath "core-reference-assemblies-net60-preview"
+                        CustomInstallDir = Some preparedDir
                         Channel = DotNet.CliChannel.Version 6 0
                         Version = DotNet.CliVersion.Version "6.0.100-preview.3.21202.5" })
                   |> ignore
+
+                  Environment.setEnvironVar "FAKE_SDK_RESOLVER_CUSTOM_DOTNET_PATH" preparedDir
+
                   let result =
                       handleAndFormat <| fun _ ->
                           fakeRunAndCheck Ctx.Verbose "reference-assemblies.fsx" "reference-assemblies.fsx" "core-reference-assemblies-net60-preview"
@@ -51,20 +65,31 @@ let tests =
                   (sprintf "stdout should contain path like '%s', but was: '%s'" expectedNet6PathPortion stdOut)
                   |> Expect.isTrue (stdOut.Contains expectedNet6PathPortion)
               finally
-                  ignore ""
                   // clean up after the test run
-                  Directory.delete DotNet.defaultUserInstallDir
+                  Environment.setEnvironVar "FAKE_SDK_RESOLVER_CUSTOM_DOTNET_PATH" ""
 
           testCase "Runner run script with 6.0.100 SDK version assemblies" <| fun _ ->
               try
+                  use d = createTestDir()
+                  let installerDir = Path.Combine(d.Dir, "Temp Dir")
+                  Directory.create installerDir
+                  let preparedDir = Path.Combine(d.Dir, "Install Dir")
+                  Directory.create preparedDir
+
                   DotNet.install (fun option ->
-                    { option with
+                  { option with
+                        InstallerOptions = fun o ->
+                                  { option.InstallerOptions o with
+                                        CustomDownloadDir = Some installerDir }
                         ForceInstall = true
                         WorkingDirectory = scenarioTempPath "core-reference-assemblies-net60"
+                        CustomInstallDir = Some preparedDir
                         Channel = DotNet.CliChannel.Version 6 0
                         Version = DotNet.CliVersion.Version "6.0.100" })
                   |> ignore
 
+                  Environment.setEnvironVar "FAKE_SDK_RESOLVER_CUSTOM_DOTNET_PATH" preparedDir
+
                   let result =
                       handleAndFormat <| fun _ ->
                           fakeRunAndCheck Ctx.Verbose "reference-assemblies.fsx" "reference-assemblies.fsx" "core-reference-assemblies-net60"
@@ -77,8 +102,7 @@ let tests =
                   (sprintf "stdout should contain path like '%s', but was: '%s'" expectedNet6PathPortion stdOut)
                   |> Expect.isTrue (stdOut.Contains expectedNet6PathPortion)
               finally
-                  ignore ""
                   // clean up after the test run
-                  Directory.delete DotNet.defaultUserInstallDir
+                  Environment.setEnvironVar "FAKE_SDK_RESOLVER_CUSTOM_DOTNET_PATH" ""
 
         ]