diff --git a/SConstruct b/SConstruct
index 14f576c5954..c3205137864 100644
--- a/SConstruct
+++ b/SConstruct
@@ -353,6 +353,7 @@ if selected_platform in platform_list:
             env.Append(CCFLAGS=['-Wall', '-Wno-unused'])
         else: # 'no'
             env.Append(CCFLAGS=['-w'])
+        env.Append(CCFLAGS=['-Werror=return-type'])
 
     #env['platform_libsuffix'] = env['LIBSUFFIX']