diff --git a/llvm/bindings/ocaml/Makefile.ocaml b/llvm/bindings/ocaml/Makefile.ocaml
index b157c3194eb6..278b31ea3223 100644
--- a/llvm/bindings/ocaml/Makefile.ocaml
+++ b/llvm/bindings/ocaml/Makefile.ocaml
@@ -14,9 +14,8 @@
 
 include $(LEVEL)/Makefile.config
 
-# CFLAGS needs to be set before Makefile.rules is included. Yes, ocaml puts its
-# includes under its libdir.
-CFLAGS += -I$(OCAML_LIBDIR)
+# CFLAGS needs to be set before Makefile.rules is included.
+CFLAGS += -I$(shell $(OCAMLC) -where)
 
 include $(LEVEL)/Makefile.common