diff --git a/src/Tests/Tests.csproj b/src/Tests/Tests.csproj
index 8e49aa4d3da..028f1250d8f 100644
--- a/src/Tests/Tests.csproj
+++ b/src/Tests/Tests.csproj
@@ -1,11 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
+    <DotNetCoreOnly Condition="'$(TRAVIS)'=='true'">1</DotNetCoreOnly>
+    <DotNetCoreOnly Condition="'$(TRAVIS)'==''"></DotNetCoreOnly>
     <OutputType>Exe</OutputType>
     <TargetFrameworks Condition="'$(DotNetCoreOnly)'==''">netcoreapp1.1;net45;net46</TargetFrameworks>
     <TargetFramework Condition="'$(DotNetCoreOnly)'=='1'">netcoreapp1.1</TargetFramework>
     <VersionPrefix>6.0.0</VersionPrefix>
     <VersionSuffix>alpha</VersionSuffix>
-    <DefineConstants Condition="'$(TargetFramework)'=='netcoreapp1.1'">$(DefineConstants);DOTNETCORE</DefineConstants>
+    <DefineConstants Condition="'$(TargetFramework)'=='netcoreapp1.1' OR '$(DotNetCoreOnly)'=='1'">$(DefineConstants);DOTNETCORE</DefineConstants>
   </PropertyGroup>
   <ItemGroup>
     <DotNetCliToolReference Include="dotnet-xunit" Version="2.3.0-beta1-build3642" />