diff --git a/Common/b2xtranslator.csproj b/Common/b2xtranslator.csproj
index 43b13f01..773006f6 100644
--- a/Common/b2xtranslator.csproj
+++ b/Common/b2xtranslator.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFramework>netstandard2.0</TargetFramework>
     <Version>2.0.0</Version>
     <RepositoryUrl>https://github.com/EvolutionJobs/b2xtranslator-core</RepositoryUrl>
     <RepositoryType>Git</RepositoryType>
diff --git a/Doc/b2xtranslator.doc.csproj b/Doc/b2xtranslator.doc.csproj
index fdd1ad2a..0f912388 100644
--- a/Doc/b2xtranslator.doc.csproj
+++ b/Doc/b2xtranslator.doc.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFramework>netstandard2.0</TargetFramework>
     <AssemblyOriginatorKeyFile>..\..\key.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
diff --git a/Ppt/b2xtranslator.ppt.csproj b/Ppt/b2xtranslator.ppt.csproj
index fdd1ad2a..0f912388 100644
--- a/Ppt/b2xtranslator.ppt.csproj
+++ b/Ppt/b2xtranslator.ppt.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFramework>netstandard2.0</TargetFramework>
     <AssemblyOriginatorKeyFile>..\..\key.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
diff --git a/Xls/b2xtranslator.xls.csproj b/Xls/b2xtranslator.xls.csproj
index 16e1744b..af601d1d 100644
--- a/Xls/b2xtranslator.xls.csproj
+++ b/Xls/b2xtranslator.xls.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFramework>netstandard2.0</TargetFramework>
     <AssemblyOriginatorKeyFile>..\..\key.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>