diff --git a/Tools/MCADefrag/CMakeLists.txt b/Tools/MCADefrag/CMakeLists.txt
index a4096791d..17e332d8d 100644
--- a/Tools/MCADefrag/CMakeLists.txt
+++ b/Tools/MCADefrag/CMakeLists.txt
@@ -12,7 +12,8 @@ set_lib_flags()
 enable_profile()
 
 if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
-	add_flags_cxx("-Wno-error=sign-conversion -Wno-error=conversion -Wno-error=shorten-64-to-32")
+	add_flags_cxx("-Wno-error=sign-conversion -Wno-error=conversion -Wno-error=shorten-64-to-32 -Wno-error=keyword-macro")
+	add_flags_cxx("-Wno-error=old-style-cast")
 endif()
 
 # Set include paths to the used libraries:
diff --git a/Tools/ProtoProxy/CMakeLists.txt b/Tools/ProtoProxy/CMakeLists.txt
index 1c48d7d93..0d3ef3f3e 100644
--- a/Tools/ProtoProxy/CMakeLists.txt
+++ b/Tools/ProtoProxy/CMakeLists.txt
@@ -15,7 +15,8 @@ include_directories("../../lib/polarssl/include")
 include_directories("../../src")
 
 if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
-	add_flags_cxx("-Wno-error=conversion")
+	add_flags_cxx("-Wno-error=sign-conversion -Wno-error=conversion -Wno-error=shorten-64-to-32 -Wno-error=keyword-macro")
+	add_flags_cxx("-Wno-error=old-style-cast")
 endif()
 
 function(flatten_files arg1)