diff --git a/Plugins/TechTalk.SpecFlow.MSTest.Generator.SpecFlowPlugin/build/SpecFlow.MsTest.targets b/Plugins/TechTalk.SpecFlow.MSTest.Generator.SpecFlowPlugin/build/SpecFlow.MsTest.targets
index 03b13ce2b..f5ea38dfb 100644
--- a/Plugins/TechTalk.SpecFlow.MSTest.Generator.SpecFlowPlugin/build/SpecFlow.MsTest.targets
+++ b/Plugins/TechTalk.SpecFlow.MSTest.Generator.SpecFlowPlugin/build/SpecFlow.MsTest.targets
@@ -27,7 +27,7 @@
 
     <SourceSpecFlowAssemblyHooksFile Condition="'$(SourceSpecFlowAssemblyHooksFile)' == ''">$(MSBuildThisFileDirectory)MSTest.AssemblyHooks$(DefaultLanguageSourceExtension)</SourceSpecFlowAssemblyHooksFile>
     <GenerateSpecFlowAssemblyHooksFile Condition="'$(GenerateSpecFlowAssemblyHooksFile)' == ''">true</GenerateSpecFlowAssemblyHooksFile>
-    <GeneratedSpecFlowAssemblyHooksFile>$(ProjectDir)$([MSBuild]::Unescape('$(IntermediateOutputPath)'))MSTest.AssemblyHooks$(DefaultLanguageSourceExtension)</GeneratedSpecFlowAssemblyHooksFile>
+    <GeneratedSpecFlowAssemblyHooksFile>$([System.IO.Path]::Combine($(ProjectDir),$([MSBuild]::Unescape('$(IntermediateOutputPath)'))))MSTest.AssemblyHooks$(DefaultLanguageSourceExtension)</GeneratedSpecFlowAssemblyHooksFile>
     <_SpecFlow_EffectiveRootNamespace Condition="'$(RootNamespace)' != ''">$(RootNamespace)</_SpecFlow_EffectiveRootNamespace>
     <_SpecFlow_EffectiveRootNamespace Condition="'$(RootNamespace)' == ''">SpecFlow.GeneratedTests</_SpecFlow_EffectiveRootNamespace>
   </PropertyGroup>
diff --git a/Plugins/TechTalk.SpecFlow.NUnit.Generator.SpecFlowPlugin/build/SpecFlow.NUnit.targets b/Plugins/TechTalk.SpecFlow.NUnit.Generator.SpecFlowPlugin/build/SpecFlow.NUnit.targets
index 7e5a171d5..55953e8cc 100644
--- a/Plugins/TechTalk.SpecFlow.NUnit.Generator.SpecFlowPlugin/build/SpecFlow.NUnit.targets
+++ b/Plugins/TechTalk.SpecFlow.NUnit.Generator.SpecFlowPlugin/build/SpecFlow.NUnit.targets
@@ -27,7 +27,7 @@
 
     <SourceSpecFlowAssemblyHooksFile Condition="'$(SourceSpecFlowAssemblyHooksFile)' == ''">$(MSBuildThisFileDirectory)NUnit.AssemblyHooks$(DefaultLanguageSourceExtension)</SourceSpecFlowAssemblyHooksFile>
     <GenerateSpecFlowAssemblyHooksFile Condition="'$(GenerateSpecFlowAssemblyHooksFile)' == ''">true</GenerateSpecFlowAssemblyHooksFile>
-    <GeneratedSpecFlowAssemblyHooksFile>$(ProjectDir)$([MSBuild]::Unescape('$(IntermediateOutputPath)'))NUnit.AssemblyHooks$(DefaultLanguageSourceExtension)</GeneratedSpecFlowAssemblyHooksFile>
+    <GeneratedSpecFlowAssemblyHooksFile>$([System.IO.Path]::Combine($(ProjectDir),$([MSBuild]::Unescape('$(IntermediateOutputPath)'))))NUnit.AssemblyHooks$(DefaultLanguageSourceExtension)</GeneratedSpecFlowAssemblyHooksFile>
     <_SpecFlow_EffectiveRootNamespace Condition="'$(RootNamespace)' != ''">$(RootNamespace)</_SpecFlow_EffectiveRootNamespace>
     <_SpecFlow_EffectiveRootNamespace Condition="'$(RootNamespace)' == ''">SpecFlow.GeneratedTests</_SpecFlow_EffectiveRootNamespace>
   </PropertyGroup>
diff --git a/Plugins/TechTalk.SpecFlow.xUnit.Generator.SpecFlowPlugin/build/SpecFlow.xUnit.targets b/Plugins/TechTalk.SpecFlow.xUnit.Generator.SpecFlowPlugin/build/SpecFlow.xUnit.targets
index 3fa567716..f770c77f6 100644
--- a/Plugins/TechTalk.SpecFlow.xUnit.Generator.SpecFlowPlugin/build/SpecFlow.xUnit.targets
+++ b/Plugins/TechTalk.SpecFlow.xUnit.Generator.SpecFlowPlugin/build/SpecFlow.xUnit.targets
@@ -26,7 +26,7 @@
 
     <SourceSpecFlowAssemblyHooksFile Condition="'$(SourceSpecFlowAssemblyHooksFile)' == ''">$(MSBuildThisFileDirectory)xUnit.AssemblyHooks$(DefaultLanguageSourceExtension)</SourceSpecFlowAssemblyHooksFile>
     <GenerateSpecFlowAssemblyHooksFile Condition="'$(GenerateSpecFlowAssemblyHooksFile)' == ''">true</GenerateSpecFlowAssemblyHooksFile>
-    <GeneratedSpecFlowAssemblyHooksFile>$(ProjectDir)$([MSBuild]::Unescape('$(IntermediateOutputPath)'))xUnit.AssemblyHooks$(DefaultLanguageSourceExtension)</GeneratedSpecFlowAssemblyHooksFile>
+    <GeneratedSpecFlowAssemblyHooksFile>$([System.IO.Path]::Combine($(ProjectDir),$([MSBuild]::Unescape('$(IntermediateOutputPath)'))))xUnit.AssemblyHooks$(DefaultLanguageSourceExtension)</GeneratedSpecFlowAssemblyHooksFile>
     <_SpecFlow_EffectiveRootNamespace Condition="'$(RootNamespace)' != ''">$(RootNamespace)</_SpecFlow_EffectiveRootNamespace>
     <_SpecFlow_EffectiveRootNamespace Condition="'$(RootNamespace)' == ''">SpecFlow.GeneratedTests</_SpecFlow_EffectiveRootNamespace>
   </PropertyGroup>