diff --git a/nc_warnings.cmake b/nc_warnings.cmake
index c61aaed..aabde0c 100644
--- a/nc_warnings.cmake
+++ b/nc_warnings.cmake
@@ -128,11 +128,15 @@ append_compile_flag(-Wno-missing-braces)
 # -------------------------------------------------------------------------
 option (ADVISORY "enable advisory warnings")
 
+# Always use suggest-override. It has a low false positive rate and mitigates
+# a possibly significant error.
+append_compile_flag(-Wsuggest-override)
+#append_compile_flag(-Woverloaded-virtual)
+
 if (ADVISORY)
     append_compile_flag(-Winline)
     append_compile_flag(-Wsuggest-final-types)
     append_compile_flag(-Wsuggest-final-methods)
-    append_compile_flag(-Wsuggest-override)
     append_compile_flag(-Wweak-vtables)
     append_compile_flag(-Wpadded)
 endif()