diff --git a/.gitignore b/.gitignore
index c5f959b..f48b26e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,3 +21,4 @@ OMakefile.omc
 /extprotc
 /test/run_tests
 /test/oUnit-anon.cache
+/_opam/
diff --git a/OMakefile b/OMakefile
index 4f1841c..35b716b 100644
--- a/OMakefile
+++ b/OMakefile
@@ -27,6 +27,7 @@ if $(ge $(OCAML_MAJOR), 4)
        export
 
 OCAMLPACKS[] =
+	camlp-streams
 	camlp4
 	extlib
 	bytes