diff --git a/CMakeLists.txt b/CMakeLists.txt
index afa704d..96dc4f8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -57,6 +57,9 @@ IF(COMMAND cmake_policy)
   if (POLICY CMP0042)
     cmake_policy(SET CMP0042 OLD)
   endif()
+  if (POLICY CMP0001)
+    cmake_policy(SET CMP0001 OLD)
+  endif()
 ENDIF(COMMAND cmake_policy)
 
 MARK_AS_ADVANCED(CMAKE_BACKWARDS_COMPATIBILITY)