diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4c6e936a2ea332853a75e893ce2ee994a0d07e04..93e92144cb4e76ad3a26206e06f183adc3ac15bd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,7 +13,7 @@ option(CM_ALL_AUTO_DOC "Enables creation of auto-documentation")
 
 # leading and trailing whitespace should be silently ignored
 # thanks to an old FindMPI script
-cmake_policy(SET CMP0004 OLD)
+# cmake_policy(SET CMP0004 OLD)
 
 enable_language(CXX)
 enable_language(C)