diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 1c296e2be..86c3e2320 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -2,9 +2,13 @@
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Woverloaded-virtual -Wall -Wno-sign-compare")
 
-if (LINUX)
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
-endif (LINUX)
+option(BUILD_WERROR "Build with -Werror" ON)
+
+if(BUILD_WERROR)
+  if (LINUX)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
+  endif (LINUX)
+endif(BUILD_WERROR)
 
 include_directories(${CMAKE_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR})
 include_directories(../3rdparty/gmock/gtest/include)