diff --git a/cmake/CompileFlags.cmake b/cmake/CompileFlags.cmake
index acf2c2180e..7cdbc42c96 100644
--- a/cmake/CompileFlags.cmake
+++ b/cmake/CompileFlags.cmake
@@ -63,6 +63,7 @@ macro(compile_flags)
             -Wformat=2
             -Winit-self
             -Wnon-virtual-dtor
+            -Wsuggest-override
 
             # We use 'ABCD' multichar for SaveLoad chunks identifiers
             -Wno-multichar