diff --git a/gtsam/3rdparty/metis-5.1.0/CMakeLists.txt b/gtsam/3rdparty/metis-5.1.0/CMakeLists.txt
index 8497973b2..4c4e2c03f 100644
--- a/gtsam/3rdparty/metis-5.1.0/CMakeLists.txt
+++ b/gtsam/3rdparty/metis-5.1.0/CMakeLists.txt
@@ -4,7 +4,9 @@ project(METIS)
 # Add flags for currect directory and below
 if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
   add_definitions(-Wno-unused-variable)
-  add_definitions(-Wno-sometimes-uninitialized)
+  if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 5.0 OR CMAKE_CXX_COMPILER_VERSION VERSION_EQUAL 5.0)
+    add_definitions(-Wno-sometimes-uninitialized)
+  endif()
 endif()
 
 add_definitions(-Wno-unknown-pragmas)