diff --git a/CMakeLists.txt b/CMakeLists.txt
index 542db7e..17aa013 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -101,7 +101,7 @@ if (UNIX AND NOT MINGW)
     endif()
 elseif(MINGW OR MSVC)
     set(CMAKE_INSTALL_PREFIX "C:\\\\progs\\\\${PROJECT_NAME}")
-    set(CPACK_PACKAGING_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}")
+    set(CPACK_NSIS_INSTALL_ROOT "${CMAKE_INSTALL_PREFIX}")
     set(CMAKE_EXE_LINKER_FLAGS "-static -static-libstdc++ ${CMAKE_EXE_LINKER_FLAGS}")
     set(CPACK_PACKAGE_FILE_NAME "${PNAME}_wpkg")
     set(CPACK_NSIS_MUI_ICON "${CMAKE_CURRENT_SOURCE_DIR}/resources/${PROJECT_NAME}.ico")