diff --git a/common/rfb/CMakeLists.txt b/common/rfb/CMakeLists.txt
index d043049..d9ccf2f 100644
--- a/common/rfb/CMakeLists.txt
+++ b/common/rfb/CMakeLists.txt
@@ -1,4 +1,4 @@
-include_directories(${CMAKE_SOURCE_DIR}/common ${CMAKE_SOURCE_DIR}/win ${JPEG_INCLUDE_DIR})
+include_directories(${CMAKE_SOURCE_DIR}/common ${JPEG_INCLUDE_DIR})
 
 set(RFB_SOURCES
   Blacklist.cxx
@@ -65,6 +65,7 @@
   util.cxx)
 
 if(WIN32)
+  include_directories(${CMAKE_SOURCE_DIR}/win)
   set(RFB_SOURCES ${RFB_SOURCES} WinPasswdValidator.cxx)
 endif(WIN32)