diff --git a/Makefile b/Makefile
index fc26041..a45ca78 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ all: PhyloCSF
 
 .PHONY: PhyloCSF CamlPaml clean
 
-ARCH := `uname`.`uname -p`
+ARCH := `uname`.`uname -m`
 export ARCH
 
 PhyloCSF: CamlPaml
diff --git a/lib/CamlPaml/CamlPaml.ml b/lib/CamlPaml/CamlPaml.ml
deleted file mode 100644
index e69de29..0000000
diff --git a/lib/CamlPaml/_tags b/lib/CamlPaml/_tags
index bd495c9..b638cdc 100644
--- a/lib/CamlPaml/_tags
+++ b/lib/CamlPaml/_tags
@@ -1,5 +1,7 @@
-<**/*.ml> or <**/*.mli>: ocaml, debug, pkg_gsl, for-pack(CamlPaml), pp(ocaml+twt)
+<**/*.ml> or <**/*.mli>: ocaml, debug, pkg_gsl, pp(ocaml+twt)
 <**/NewickLexer.*>: -pp(ocaml+twt)
 <**/NewickParser.*>: -pp(ocaml+twt)
+<**/*.cmx>: for-pack(CamlPaml)
+<CamlPaml.cmx>: -for-pack(CamlPaml)
 <test.ml>: pkg_oUnit
 <test.native>: pkg_gsl, pkg_oUnit