--- Makefile.OCaml.orig	2015-01-20 14:51:56.000000000 +0100
+++ Makefile.OCaml	2015-01-20 14:53:31.000000000 +0100
@@ -187,7 +187,7 @@
 endif
 endif
 
-MINOSXVERSION=10.5
+MINOSXVERSION=10.4
 # XCODEFLAGS=-sdk macosx$(MINOSXVERSION)
 ifeq ($(OSARCH),osx)
   CAMLFLAGS+=-ccopt -mmacosx-version-min=$(MINOSXVERSION)