diff --git a/.dir-locals.el b/.dir-locals.el
index df2c4f6..4920a14 100644
--- a/.dir-locals.el
+++ b/.dir-locals.el
@@ -1 +1,7 @@
-((nil . ((indent-tabs-mode . nil))))
+((nil . ((indent-tabs-mode . nil)))
+ ;; thanks to Mohammed Sadiq, see https://source.puri.sm/Librem5/calls/-/merge_requests/332#note_159469
+ (c-mode . ((c-macro-names-with-semicolon
+             . ("G_BEGIN_DECLS" "G_END_DECLS" "G_DECLARE_FINAL_TYPE" "G_DEFINE_QUARK"
+                "G_DECLARE_DERIVABLE_TYPE" "G_DECLARE_INTERFACE" "G_DEFINE_TYPE"
+                "G_DEFINE_TYPE_WITH_PRIVATE" "G_DEFINE_ABSTRACT_TYPE"
+                "G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE")))))