diff --git a/Makefile b/Makefile
index ce901e2a03..96cb55c068 100644
--- a/Makefile
+++ b/Makefile
@@ -296,7 +296,7 @@ MOD_SUBDIRS_EMBED_LIBS:=$(MOD_SUBDIRS:%=%-embed-libs)
 MOD_SUBDIRS_MENUSELECT_TREE:=$(MOD_SUBDIRS:%=%-menuselect-tree)
 
 ifneq ($(findstring darwin,$(OSARCH)),)
-  ASTCFLAGS+=-D__Darwin__
+  ASTCFLAGS+=-D__Darwin__ -fnested-functions
   SOLINK=-dynamic -bundle -undefined suppress -force_flat_namespace
 else
 # These are used for all but Darwin