diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3811457..55e7791 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,7 +29,11 @@
 
 # Build warnings are useful tools (and this project should be warning-free anyway), enable them on all
 # configurations. They are warnings, not errors.
-set(CMAKE_CXX_FLAGS "-Wall -Wextra -pedantic -Wsuggest-override -Woverloaded-virtual ${CMAKE_CXX_FLAGS}")
+set(CMAKE_CXX_FLAGS "-Wall -Wextra -pedantic -Woverloaded-virtual ${CMAKE_CXX_FLAGS}")
+
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
+    set(CMAKE_CXX_FLAGS "-Wsuggest-override ${CMAKE_CXX_FLAGS}")
+endif()
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/")