diff --git a/CMakeLists.txt b/CMakeLists.txt
index dac1361d45..b3f8814120 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -156,7 +156,9 @@ ADD_CHECK_CXX_COMPILER_FLAG(CMAKE_CXX_FLAGS CXX_WARN_SUGGEST_FINAL_TYPES -Wsugge
 ADD_CHECK_CXX_COMPILER_FLAG(CMAKE_CXX_FLAGS CXX_WARN_SUGGEST_FINAL_METHODS -Wsuggest-final-methods)
 ADD_CHECK_CXX_COMPILER_FLAG(CMAKE_CXX_FLAGS CXX_WARN_SUGGEST_OVERRIDE -Wsuggest-override)
 ADD_CHECK_CXX_COMPILER_FLAG(CMAKE_CXX_FLAGS CXX_WARN_DUPLICATED_COND -Wduplicated-cond)
-
+if (MINGW)
+	ADD_CHECK_CXX_COMPILER_FLAG(CMAKE_CXX_FLAGS CXX_WARN_SUGGEST_OVERRIDE -Wno-error=redundant-decls)
+endif ()
 # Items below are not supported by ICC
 ADD_CHECK_C_COMPILER_FLAG(CMAKE_C_FLAGS C_WARN_REDUNDANT_DECLS -Wredundant-decls)
 ADD_CHECK_C_COMPILER_FLAG(CMAKE_C_FLAGS C_WARN_IGNORED_QUALIFIERS -Wignored-qualifiers)