diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 7986bde..d6c82d4 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -2,7 +2,7 @@ project(libc-pthreads)
 
 cmake_minimum_required(VERSION 2.4.0)
 
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -nostdinc -std=gnu11")
 
 include_directories(${CMAKE_SOURCE_DIR}/src/libc/darwin)
 include_directories(${CMAKE_SOURCE_DIR}/src/libc/derived)