diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0fe939df6..8d55aee2c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -63,7 +63,6 @@ if(MSVC)
     set(CMAKE_DEBUG_POSTFIX "d")
     add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
     add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE)
-    include_directories(${CMAKE_CURRENT_SOURCE_DIR})
 endif()
 
 if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
@@ -83,7 +82,7 @@ configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zlib.pc.cmakein
 		${ZLIB_PC} @ONLY)
 configure_file(	${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.cmakein
 		${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY)
-include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR})
+include_directories(${CMAKE_CURRENT_BINARY_DIR} ${PROJECT_SOURCE_DIR})
 
 
 #============================================================================