diff --git a/meson.build b/meson.build
index 80ccfb38e..222f7c151 100644
--- a/meson.build
+++ b/meson.build
@@ -5,6 +5,7 @@ project('flashromutils', 'c',
   default_options : [
     'warning_level=2',
     'c_std=c99',
+    'werror=true',
     'optimization=s',
     'debug=false'],
 )