diff --git a/Source/CTest/Curl/CMakeLists.txt b/Source/CTest/Curl/CMakeLists.txt
index b61087bd91..30b5c1eec1 100644
--- a/Source/CTest/Curl/CMakeLists.txt
+++ b/Source/CTest/Curl/CMakeLists.txt
@@ -1,6 +1,7 @@
 CMAKE_MINIMUM_REQUIRED(VERSION 2.0)
 PROJECT(LIBCURL C)
-
+SET_DIRECTORY_PROPERTIES(PROPERTIES INCLUDE_DIRECTORIES
+  "")
 INCLUDE_REGULAR_EXPRESSION("^.*\\.h$")
 
 # Setup package meta-data