diff --git a/test/Ocelot.UnitTests/Configuration/Validation/ReRouteFluentValidatorTests.cs b/test/Ocelot.UnitTests/Configuration/Validation/ReRouteFluentValidatorTests.cs
index 9433bb89..82b3e646 100644
--- a/test/Ocelot.UnitTests/Configuration/Validation/ReRouteFluentValidatorTests.cs
+++ b/test/Ocelot.UnitTests/Configuration/Validation/ReRouteFluentValidatorTests.cs
@@ -305,6 +305,71 @@
                 .BDDfy();
         }
 
+        [Theory]
+        [InlineData("1.0")]
+        [InlineData("1.1")]
+        [InlineData("2.0")]
+        [InlineData("1,0")]
+        [InlineData("1,1")]
+        [InlineData("2,0")]
+        [InlineData("1")]
+        [InlineData("2")]
+        [InlineData("")]
+        [InlineData(null)]
+        public void should_be_valid_re_route_using_downstream_http_version(string version)
+        {
+            var fileReRoute = new FileReRoute
+            {
+                DownstreamPathTemplate = "/test",
+                UpstreamPathTemplate = "/test",
+                DownstreamHostAndPorts = new List<FileHostAndPort>
+                {
+                    new FileHostAndPort
+                    {
+                        Host = "localhost",
+                        Port = 5000,
+                    },
+                },
+                DownstreamHttpVersion = version,
+            };
+
+            this.Given(_ => GivenThe(fileReRoute))
+                .When(_ => WhenIValidate())
+                .Then(_ => ThenTheResultIsValid())
+                .BDDfy();
+        }
+
+        [Theory]
+        [InlineData("retg1.1")]
+        [InlineData("re2.0")]
+        [InlineData("1,0a")]
+        [InlineData("a1,1")]
+        [InlineData("12,0")]
+        [InlineData("asdf")]
+        public void should_be_invalid_re_route_using_downstream_http_version(string version)
+        {
+            var fileReRoute = new FileReRoute
+            {
+                DownstreamPathTemplate = "/test",
+                UpstreamPathTemplate = "/test",
+                DownstreamHostAndPorts = new List<FileHostAndPort>
+                {
+                    new FileHostAndPort
+                    {
+                        Host = "localhost",
+                        Port = 5000,
+                    },
+                },
+                DownstreamHttpVersion = version,
+            };
+
+            this.Given(_ => GivenThe(fileReRoute))
+                .When(_ => WhenIValidate())
+                .Then(_ => ThenTheResultIsInvalid())
+                .And(_ => ThenTheErrorsContains("'Downstream Http Version' is not in the correct format."))
+                .BDDfy();
+        }
+
         private void GivenAnAuthProvider(string key)
         {
             var schemes = new List<AuthenticationScheme>