diff --git a/src/TestData/Data.cs b/src/TestData/Data.cs
index 4a3afd07..73174079 100644
--- a/src/TestData/Data.cs
+++ b/src/TestData/Data.cs
@@ -6,7 +6,7 @@ namespace MathNet.Numerics.TestData
 {
     public static class Data
     {
-#if NETSTANDARD1_6
+#if NETSTANDARD1_3
         static readonly Assembly DataAssembly = typeof(Data).GetTypeInfo().Assembly;
 #else
         static readonly Assembly DataAssembly = typeof (Data).Assembly;
diff --git a/src/TestData/TestData-2017.csproj b/src/TestData/TestData-2017.csproj
index 9826df81..a84dd6b4 100644
--- a/src/TestData/TestData-2017.csproj
+++ b/src/TestData/TestData-2017.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFrameworks>net35;netstandard1.6</TargetFrameworks>
+        <TargetFrameworks>net35;netstandard1.0</TargetFrameworks>
         <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
         <AssemblyName>MathNet.Numerics.TestData</AssemblyName>
         <RootNamespace>MathNet.Numerics.TestData</RootNamespace>
@@ -300,4 +300,4 @@
             <Link>Data\MatrixMarket\random_real_general_dense_10_20.tab</Link>
         </EmbeddedResource>
     </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>