diff --git a/cmake/warnings.cmake b/cmake/warnings.cmake
index 7ef35f811..d5dfb2823 100644
--- a/cmake/warnings.cmake
+++ b/cmake/warnings.cmake
@@ -49,8 +49,11 @@ endmacro ()
 add_warning(all)
 add_warning(extra)
 add_warning(error) # treat all warnings as errors
-#if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
     add_warning(strict-overflow=2)
+elseif(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
+    add_warning(strict-overflow=1)
+endif()
     add_warning(suggest-override)
     add_warning(suggest-destructor-override)
     add_warning(unused)