diff --git a/Changes b/Changes
index 709b7460b8bc..ecf7c99a34c1 100644
--- a/Changes
+++ b/Changes
@@ -139,6 +139,9 @@ OCaml 4.04.0:
 - GPR#613: make ocamldoc use -open arguments
   (Florian Angeletti)
 
+- GPR#718: ocamldoc, fix order of extensible variant constructors
+  (Florian Angeletti)
+
 - Add the -no-version option to the toplevel
   (Sébastien Hinderer)
 
diff --git a/ocamldoc/odoc_sig.ml b/ocamldoc/odoc_sig.ml
index 3c16f7e4e9bb..5c0892239bd8 100644
--- a/ocamldoc/odoc_sig.ml
+++ b/ocamldoc/odoc_sig.ml
@@ -636,6 +636,7 @@ module Analyser =
               (env, [], None)
               tyext.Parsetree.ptyext_constructors
           in
+          let types_ext_list = List.rev types_ext_list in
           let ty_path, ty_params, priv =
             match last_ext with
               None -> assert false
diff --git a/testsuite/tests/tool-ocamldoc-2/Makefile b/testsuite/tests/tool-ocamldoc-2/Makefile
index 372041d5ea5e..ff155cf14662 100644
--- a/testsuite/tests/tool-ocamldoc-2/Makefile
+++ b/testsuite/tests/tool-ocamldoc-2/Makefile
@@ -33,10 +33,11 @@ default:
 	fi
 
 .PHONY: run
-run: *.mli
-	@for file in *.mli; do \
+run: *.ml *.mli
+	@for file in *.mli *.ml; do \
 	  printf " ... testing '$$file'"; \
 	  F="`basename $$file .mli`"; \
+	  F="`basename $$F .ml`"; \
 	  $(OCAMLDOC) $(DOCFLAGS) -hide-warnings -latex $ \
 	              -o $$F.result $$file; \
 	  $(DIFF) $$F.reference $$F.result >/dev/null \
diff --git a/testsuite/tests/tool-ocamldoc-2/extensible_variant.ml b/testsuite/tests/tool-ocamldoc-2/extensible_variant.ml
new file mode 100644
index 000000000000..8256fa9e5341
--- /dev/null
+++ b/testsuite/tests/tool-ocamldoc-2/extensible_variant.ml
@@ -0,0 +1,20 @@
+(** Testing display of extensible variant types.
+
+   @test_types_display
+ *)
+
+type e = ..
+
+module M = struct
+  type e += 
+  | A (** A doc *)
+  | B (** B doc *)
+  | C (** C doc *)
+end
+
+module type MT = sig
+  type e +=
+  | A (** A doc *)
+  | B (** B doc *)
+  | C (** C doc *)
+end
diff --git a/testsuite/tests/tool-ocamldoc-2/extensible_variant.reference b/testsuite/tests/tool-ocamldoc-2/extensible_variant.reference
new file mode 100644
index 000000000000..859620027e91
--- /dev/null
+++ b/testsuite/tests/tool-ocamldoc-2/extensible_variant.reference
@@ -0,0 +1,108 @@
+\documentclass[11pt]{article} 
+\usepackage[latin1]{inputenc} 
+\usepackage[T1]{fontenc} 
+\usepackage{textcomp}
+\usepackage{fullpage} 
+\usepackage{url} 
+\usepackage{ocamldoc}
+\begin{document}
+\tableofcontents
+\section{Module {\tt{Extensible\_variant}} : Testing display of extensible variant types.}
+\label{Extensible-underscorevariant}\index{Extensible-underscorevariant@\verb`Extensible_variant`}
+
+
+
+
+\ocamldocvspace{0.5cm}
+
+
+
+\label{TYPExtensible-underscorevariant.e}\begin{ocamldoccode}
+type e = ..
+\end{ocamldoccode}
+\index{e@\verb`e`}
+
+
+
+
+\begin{ocamldoccode}
+{\tt{module }}{\tt{M}}{\tt{ : }}\end{ocamldoccode}
+\label{Extensible-underscorevariant.M}\index{M@\verb`M`}
+
+\begin{ocamldocsigend}
+
+
+\begin{ocamldoccode}
+type e +=
+\end{ocamldoccode}
+\label{extension:Extensible-underscorevariant.M.A}\begin{ocamldoccode}
+  | A
+\end{ocamldoccode}
+\begin{ocamldoccomment}
+A doc
+
+
+\end{ocamldoccomment}
+\label{extension:Extensible-underscorevariant.M.B}\begin{ocamldoccode}
+  | B
+\end{ocamldoccode}
+\begin{ocamldoccomment}
+B doc
+
+
+\end{ocamldoccomment}
+\label{extension:Extensible-underscorevariant.M.C}\begin{ocamldoccode}
+  | C
+\end{ocamldoccode}
+\begin{ocamldoccomment}
+C doc
+
+
+\end{ocamldoccomment}
+\end{ocamldocsigend}
+
+
+
+
+
+
+\begin{ocamldoccode}
+{\tt{module type }}{\tt{MT}}{\tt{ = }}\end{ocamldoccode}
+\label{Extensible-underscorevariant.MT}\index{MT@\verb`MT`}
+
+\begin{ocamldocsigend}
+
+
+\begin{ocamldoccode}
+type e +=
+\end{ocamldoccode}
+\label{extension:Extensible-underscorevariant.MT.A}\begin{ocamldoccode}
+  | A
+\end{ocamldoccode}
+\begin{ocamldoccomment}
+A doc
+
+
+\end{ocamldoccomment}
+\label{extension:Extensible-underscorevariant.MT.B}\begin{ocamldoccode}
+  | B
+\end{ocamldoccode}
+\begin{ocamldoccomment}
+B doc
+
+
+\end{ocamldoccomment}
+\label{extension:Extensible-underscorevariant.MT.C}\begin{ocamldoccode}
+  | C
+\end{ocamldoccode}
+\begin{ocamldoccomment}
+C doc
+
+
+\end{ocamldoccomment}
+\end{ocamldocsigend}
+
+
+
+
+\end{document}
\ No newline at end of file