diff --git a/META b/META
index 180ef23..4764290 100644
--- a/META
+++ b/META
@@ -3,4 +3,6 @@ version="0.3.4"
 description="Abstract sequences of elements, for conversion into and from data structures"
 requires=""
 archive(byte) = "sequence.cma"
+archive(byte, plugin) = "sequence.cma"
 archive(native) = "sequence.cmxa"
+archive(native, plugin) = "sequence.cmxs"
diff --git a/Makefile b/Makefile
index d7d102c..3129040 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 
 NAME = sequence
 DOC = sequence.docdir/index.html
-TARGETS = sequence.cma sequence.cmxa sequence.cmi sequence.a
-LIB = $(addprefix _build/, $(TARGETS)) 
+TARGETS = sequence.cma sequence.cmxa sequence.cmxs sequence.cmi sequence.a
+LIB = $(addprefix _build/, $(TARGETS))
 INSTALL = $(LIB) sequence.mli
 
 bin: