diff --git a/CMakeLists.txt b/CMakeLists.txt
index ec046b8..907e780 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,7 +17,10 @@ set(CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_SOURCE_DIR}/README.md")
 set(CMAKE_MODULE_PATH "${BR_SHARE_DIR}/cmake" ${CMAKE_MODULE_PATH})
 set(PACKAGE_YEAR 2013)
 
-if("${CMAKE_VERSION}" VERSION_GREATER 2.8.10)
+if(${CMAKE_VERSION} VERSION_EQUAL 2.8.11)
+  cmake_policy(SET CMP0020 OLD)
+endif()
+if(${CMAKE_VERSION} VERSION_GREATER 2.8.11)
   cmake_policy(SET CMP0020 OLD)
 endif()