diff --git a/openless-all/app/windows-ime/OpenLessIme.vcxproj b/openless-all/app/windows-ime/OpenLessIme.vcxproj
index 0275bfae..ec863ef7 100644
--- a/openless-all/app/windows-ime/OpenLessIme.vcxproj
+++ b/openless-all/app/windows-ime/OpenLessIme.vcxproj
@@ -52,6 +52,7 @@
     <Link>
       <SubSystem>Windows</SubSystem>
       <AdditionalDependencies>msctf.lib;ole32.lib;uuid.lib;advapi32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <ModuleDefinitionFile>src\OpenLessIme.def</ModuleDefinitionFile>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
@@ -69,6 +70,7 @@
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
       <AdditionalDependencies>msctf.lib;ole32.lib;uuid.lib;advapi32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <ModuleDefinitionFile>src\OpenLessIme.def</ModuleDefinitionFile>
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
@@ -86,6 +88,9 @@
   <ItemGroup>
     <ResourceCompile Include="src\resource.rc" />
   </ItemGroup>
+  <ItemGroup>
+    <None Include="src\OpenLessIme.def" />
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets" />
 </Project>
diff --git a/openless-all/app/windows-ime/src/OpenLessIme.def b/openless-all/app/windows-ime/src/OpenLessIme.def
new file mode 100644
index 00000000..082239aa
--- /dev/null
+++ b/openless-all/app/windows-ime/src/OpenLessIme.def
@@ -0,0 +1,6 @@
+LIBRARY "OpenLessIme"
+EXPORTS
+    DllCanUnloadNow PRIVATE
+    DllGetClassObject PRIVATE
+    DllRegisterServer PRIVATE
+    DllUnregisterServer PRIVATE