diff --git a/src/proto.h b/src/proto.h
index 8282dc3..28cb809 100644
--- a/src/proto.h
+++ b/src/proto.h
@@ -177,6 +177,9 @@
 #  include "profiler.pro"
 # endif
 # include "quickfix.pro"
+#ifdef FEAT_WAYLAND
+# include "wayland.pro"
+#endif
 # include "regexp.pro"
 # include "register.pro"
 # include "scriptfile.pro"