diff --git a/src/NUnitEngine/nunit.engine.core.tests/RuntimeFrameworkTests.cs b/src/NUnitEngine/nunit.engine.core.tests/RuntimeFrameworkTests.cs
index 3d1b650d5..ce84443fc 100644
--- a/src/NUnitEngine/nunit.engine.core.tests/RuntimeFrameworkTests.cs
+++ b/src/NUnitEngine/nunit.engine.core.tests/RuntimeFrameworkTests.cs
@@ -3,6 +3,7 @@
 #if NETFRAMEWORK
 using System;
 using System.Collections.Generic;
+using NSubstitute;
 using NUnit.Framework;
 
 namespace NUnit.Engine.Tests
@@ -163,6 +164,10 @@ public bool CanLoad(RuntimeFramework f1, RuntimeFramework f2)
                 new RuntimeFramework(RuntimeType.Mono, new Version(4,0)),
                 new RuntimeFramework(RuntimeType.Net, new Version(4,0)))
                 .Returns(true),
+            new TestCaseData(
+                new RuntimeFramework(RuntimeType.Mono, new Version(4,0)),
+                new RuntimeFramework(RuntimeType.Net, new Version(4,6,2)))
+                .Returns(true),
             new TestCaseData(
                 new RuntimeFramework(RuntimeType.Net, new Version(2,0)),
                 new RuntimeFramework(RuntimeType.Net, new Version(1,1)))
diff --git a/src/NUnitEngine/nunit.engine.core/RuntimeFramework.cs b/src/NUnitEngine/nunit.engine.core/RuntimeFramework.cs
index c04ed5766..8f93d1bb9 100644
--- a/src/NUnitEngine/nunit.engine.core/RuntimeFramework.cs
+++ b/src/NUnitEngine/nunit.engine.core/RuntimeFramework.cs
@@ -457,9 +457,13 @@ public bool Supports(RuntimeFramework target)
             if (FrameworkVersion == DefaultVersion || target.FrameworkVersion == DefaultVersion)
                 return true;
 
-            return VersionsMatch(this.ClrVersion, target.ClrVersion)
-                && this.FrameworkVersion.Major >= target.FrameworkVersion.Major
-                && this.FrameworkVersion.Minor >= target.FrameworkVersion.Minor;
+            if (!VersionsMatch(this.ClrVersion, target.ClrVersion))
+                return false;
+
+            return this.Runtime == RuntimeType.Mono
+                ? this.FrameworkVersion.Major >= target.FrameworkVersion.Major
+                : this.FrameworkVersion.Major >= target.FrameworkVersion.Major &&
+                  this.FrameworkVersion.Minor >= target.FrameworkVersion.Minor;
         }
 
         private bool Supports(RuntimeType targetRuntime)