diff --git a/CMakeLists.txt b/CMakeLists.txt
index 87a53c36..e6e4afb6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -174,6 +174,9 @@ include_directories(src contrib/epee/include external "${CMAKE_BINARY_DIR}/versi
 
 if(APPLE)
   include_directories(SYSTEM /usr/include/malloc)
+  if(POLICY CMP0042)
+    cmake_policy(SET CMP0042 NEW)
+  endif()
 endif()
 
 if(MSVC OR MINGW)
diff --git a/contrib/otshell_utils/CMakeLists.txt b/contrib/otshell_utils/CMakeLists.txt
index 464b125e..263f07c8 100644
--- a/contrib/otshell_utils/CMakeLists.txt
+++ b/contrib/otshell_utils/CMakeLists.txt
@@ -3,6 +3,10 @@ project (otshell CXX)
 
 # Add executable
 
+if(APPLE AND POLICY CMP0042)
+	cmake_policy(SET CMP0042 NEW)
+endif()
+
 file(GLOB otshell_utils_sources # All files in directory:
 	"*.h"
 	"*.hpp"