1 files changed, 4 insertions, 4 deletions
diff --git a/setup_native/source/win32/customactions/reg4allmsdoc/reg4allmsi.cxx b/setup_native/source/win32/customactions/reg4allmsdoc/reg4allmsi.cxx
index da72f34c7e92..5982dc8f6b13 100644
--- a/setup_native/source/win32/customactions/reg4allmsdoc/reg4allmsi.cxx
+++ b/setup_native/source/win32/customactions/reg4allmsdoc/reg4allmsi.cxx
@@ -257,7 +257,7 @@ static void registerSomeExtensions( MSIHANDLE handle, const int nStart, const in
     }
 }
 
-extern "C" UINT __stdcall LookForRegisteredExtensions( MSIHANDLE handle )
+extern "C" __declspec(dllexport) UINT __stdcall LookForRegisteredExtensions( MSIHANDLE handle )
 {
     OutputDebugStringFormatW( L"LookForRegisteredExtensions: " );
 
@@ -358,7 +358,7 @@ extern "C" UINT __stdcall LookForRegisteredExtensions( MSIHANDLE handle )
     return ERROR_SUCCESS;
 }
 
-extern "C" UINT __stdcall RegisterSomeExtensions( MSIHANDLE handle )
+extern "C" __declspec(dllexport) UINT __stdcall RegisterSomeExtensions( MSIHANDLE handle )
 {
     OutputDebugStringFormatW( L"RegisterSomeExtensions: " );
 
@@ -412,7 +412,7 @@ extern "C" UINT __stdcall RegisterSomeExtensions( MSIHANDLE handle )
     return ERROR_SUCCESS;
 }
 
-extern "C" UINT __stdcall FindRegisteredExtensions( MSIHANDLE handle )
+extern "C" __declspec(dllexport) UINT __stdcall FindRegisteredExtensions( MSIHANDLE handle )
 {
     if ( IsSetMsiPropW( handle, L"FILETYPEDIALOGUSED" ) )
     {
@@ -501,7 +501,7 @@ static void restoreOldRegistration( LPCWSTR lpSubKey )
     }
 }
 
-extern "C" UINT __stdcall RestoreRegAllMSDoc( MSIHANDLE /*handle*/ )
+extern "C" __declspec(dllexport) UINT __stdcall RestoreRegAllMSDoc( MSIHANDLE /*handle*/ )
 {
     OutputDebugStringFormatW( L"RestoreRegAllMSDoc\n" );