diff --git a/inference-engine/thirdparty/mkl-dnn/cmake/platform.cmake b/inference-engine/thirdparty/mkl-dnn/cmake/platform.cmake
index e9c9f31..b02de49 100644
--- a/inference-engine/thirdparty/mkl-dnn/cmake/platform.cmake
+++ b/inference-engine/thirdparty/mkl-dnn/cmake/platform.cmake
@@ -68,7 +68,7 @@ if(MSVC)
     endif()
 elseif(UNIX OR MINGW)
     append(CMAKE_CCXX_FLAGS "-Wall -Wno-unknown-pragmas")
-    append_if(MKLDNN_WERROR CMAKE_CCXX_FLAGS "-Werror")
+    append(CMAKE_CCXX_FLAGS "-Werror")
     append(CMAKE_CCXX_FLAGS "-fvisibility=internal")
     append(CMAKE_C_FLAGS "-std=c99")
     append(CMAKE_CXX_FLAGS "-std=c++11 -fvisibility-inlines-hidden")