diff --git a/Source/cmGeneratorTarget.cxx b/Source/cmGeneratorTarget.cxx
index f2a51abb86..802b6133be 100644
--- a/Source/cmGeneratorTarget.cxx
+++ b/Source/cmGeneratorTarget.cxx
@@ -2651,7 +2651,8 @@ void cmGeneratorTarget::ComputeModuleDefinitionInfo(
   info.DefFileGenerated = false;
 #endif
   if (info.DefFileGenerated) {
-    info.DefFile = this->ObjectDirectory /* has slash */ + "exports.def";
+    info.DefFile =
+      this->GetObjectDirectory(config) /* has slash */ + "exports.def";
   } else if (!info.Sources.empty()) {
     info.DefFile = info.Sources.front()->GetFullPath();
   }
diff --git a/Tests/RunCMake/NinjaMultiConfig/Simple.cmake b/Tests/RunCMake/NinjaMultiConfig/Simple.cmake
index a32f551109..3f4ecbed24 100644
--- a/Tests/RunCMake/NinjaMultiConfig/Simple.cmake
+++ b/Tests/RunCMake/NinjaMultiConfig/Simple.cmake
@@ -1,5 +1,7 @@
 enable_language(C)
 
+set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
+
 file(TOUCH ${CMAKE_BINARY_DIR}/empty.cmake)
 include(${CMAKE_BINARY_DIR}/empty.cmake)