diff --git a/src/chocolatey.tests/TinySpec.cs b/src/chocolatey.tests/TinySpec.cs
index 66651afefb..9ccff1d130 100644
--- a/src/chocolatey.tests/TinySpec.cs
+++ b/src/chocolatey.tests/TinySpec.cs
@@ -151,8 +151,10 @@ public class WindowsOnlyAttribute : PlatformAttribute
     {
         public WindowsOnlyAttribute()
         {
-            Exclude = "Unix,Linux,MacOsX";
+            Exclude = "Mono, Linux, MacOsX, Linux";
         }
+
+        public WindowsOnlyAttribute(string platforms): base(platforms)
     }
 
     public class IntegrationAttribute : CategoryAttribute
diff --git a/src/chocolatey.tests/infrastructure.app/services/RegistryServiceSpecs.cs b/src/chocolatey.tests/infrastructure.app/services/RegistryServiceSpecs.cs
index cf2d03e470..f2102d1dce 100644
--- a/src/chocolatey.tests/infrastructure.app/services/RegistryServiceSpecs.cs
+++ b/src/chocolatey.tests/infrastructure.app/services/RegistryServiceSpecs.cs
@@ -21,6 +21,7 @@ namespace chocolatey.tests.infrastructure.app.services
     using chocolatey.infrastructure.services;
     using Microsoft.Win32;
     using Moq;
+    using NUnit.Framework;
     using Should;
     using Registry = chocolatey.infrastructure.app.domain.Registry;
 
@@ -47,6 +48,7 @@ protected void reset()
         }
 
         [WindowsOnly]
+        [Platform(Exclude = "Mono")]
         public class when_RegistryService_get_installer_keys_is_called : RegistryServiceSpecsBase
         {
             private Registry _result;
@@ -69,6 +71,7 @@ public void should_not_be_null()
         }
 
         [WindowsOnly]
+        [Platform(Exclude = "Mono")]
         public class when_RegistryService_get_key_is_called_for_a_value_that_exists : RegistryServiceSpecsBase
         {
             private RegistryKey _result;
@@ -111,6 +114,7 @@ public void should_contain_values()
         }
 
         [WindowsOnly]
+        [Platform(Exclude = "Mono")]
         public class when_RegistryService_get_key_is_called_for_a_value_that_does_not_exist : RegistryServiceSpecsBase
         {
             private RegistryKey _result;
diff --git a/src/chocolatey.tests/infrastructure.app/services/TemplateServiceSpecs.cs b/src/chocolatey.tests/infrastructure.app/services/TemplateServiceSpecs.cs
index 364dd1bf10..fb9f9f9659 100644
--- a/src/chocolatey.tests/infrastructure.app/services/TemplateServiceSpecs.cs
+++ b/src/chocolatey.tests/infrastructure.app/services/TemplateServiceSpecs.cs
@@ -26,6 +26,7 @@ namespace chocolatey.tests.infrastructure.app.services
     using chocolatey.infrastructure.app.templates;
     using chocolatey.infrastructure.filesystem;
     using Moq;
+    using NUnit.Framework;
     using Should;
 
     public class TemplateServiceSpecs
@@ -373,6 +374,7 @@ public override void BeforeEachSpec()
 
             [Fact]
             [WindowsOnly]
+            [Platform(Exclude = "Mono")]
             public void should_generate_all_files_and_directories()
             {
                 because();
@@ -394,6 +396,7 @@ public void should_generate_all_files_and_directories()
 
             [Fact]
             [WindowsOnly]
+            [Platform(Exclude = "Mono")]
             public void should_generate_all_files_and_directories_even_with_outputdirectory()
             {
                 config.OutputDirectory = "c:\\packages";