diff --git a/rebar.config b/rebar.config
index 076f662d..d17ac7ca 100644
--- a/rebar.config
+++ b/rebar.config
@@ -34,5 +34,6 @@
 	    warn_missing_spec, warn_untyped_record]}.
 {dialyzer_opts, [{warnings, [unmatched_returns]}]}.
 
-{pre_hooks, [{compile, "make include/compile_flags.hrl"}]}.
+{pre_hooks, [{"(linux|bsd|darwin|solaris)", compile, "make include/compile_flags.hrl"},
+		{"win32", compile, "escript.exe write_compile_flags include/compile_flags.hrl"}]}.
 {post_hooks, [{clean, "./clean_doc.sh"}]}.