diff --git a/CMakeLists.txt b/CMakeLists.txt
index 74d9b55..f5631bf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -320,7 +320,7 @@
 endif()
 
 if(MSVC_IDE)
-  set(INST_DEFS ${INST_DEFS} "-DBUILDDIR=$(OutDir)\\")
+  set(INST_DEFS ${INST_DEFS} "-DBUILDDIR=${CMAKE_CFG_INTDIR}\\")
 else()
   set(INST_DEFS ${INST_DEFS} "-DBUILDDIR=")
 endif()