diff --git a/build.vc14/lib_flint/lib_flint.vcxproj b/build.vc14/lib_flint/lib_flint.vcxproj
index c6bd44c0..197d7723 100644
--- a/build.vc14/lib_flint/lib_flint.vcxproj
+++ b/build.vc14/lib_flint/lib_flint.vcxproj
@@ -81,7 +81,7 @@
     <ClCompile>
       <Optimization>Full</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <AdditionalIncludeDirectories>..\;..\..\;..\..\..\mpir\lib\$(IntDir);..\..\..\mpfr\lib\$(IntDir);..\..\..\pthreads\lib\$(IntDir)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\;..\..\;@NATIVE_INSTALLED_DIR@\include</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>NDEBUG;WIN32;_LIB;HAVE_CONFIG_H;PTW32_STATIC_LIB;FLINT_REENTRANT=0;HAVE_TLS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <ProgramDataBaseFileName>$(TargetDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -100,7 +100,7 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <AdditionalIncludeDirectories>..\;..\..\;..\..\..\mpir\lib\$(IntDir);..\..\..\mpfr\lib\$(IntDir);..\..\..\pthreads\lib\$(IntDir)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\;..\..\;@NATIVE_INSTALLED_DIR@\include</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>_DEBUG;WIN32;_LIB;HAVE_CONFIG_H;PTW32_STATIC_LIB;FLINT_REENTRANT=0;HAVE_TLS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <ProgramDataBaseFileName>$(TargetDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -119,7 +119,7 @@
     <ClCompile>
       <Optimization>Full</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <AdditionalIncludeDirectories>..\;..\..\;..\..\..\mpir\lib\$(IntDir);..\..\..\mpfr\lib\$(IntDir);..\..\..\pthreads\lib\$(IntDir)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\;..\..\;@NATIVE_INSTALLED_DIR@\include</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>NDEBUG;WIN32;_LIB;HAVE_CONFIG_H;PTW32_STATIC_LIB;FLINT_REENTRANT=0;HAVE_TLS=1;_WIN64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <ProgramDataBaseFileName>$(TargetDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -138,7 +138,7 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <AdditionalIncludeDirectories>..\;..\..\;..\..\..\mpir\lib\$(IntDir);..\..\..\mpfr\lib\$(IntDir);..\..\..\pthreads\lib\$(IntDir)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\;..\..\;@NATIVE_INSTALLED_DIR@\include</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>_DEBUG;WIN32;_LIB;HAVE_CONFIG_H;PTW32_STATIC_LIB;FLINT_REENTRANT=0;HAVE_TLS=1;_WIN64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <ProgramDataBaseFileName>$(TargetDir)$(TargetName).pdb</ProgramDataBaseFileName>