diff --git a/Documentation/Cookbook/rst/Installation.rst b/Documentation/Cookbook/rst/Installation.rst
index 928ba0bcb044a62487cf2f6edf6cebc9f87857d6..899c95310a97cbe6e97765bac8f15030cb17463b 100644
--- a/Documentation/Cookbook/rst/Installation.rst
+++ b/Documentation/Cookbook/rst/Installation.rst
@@ -152,3 +152,15 @@ following repositories with these command-lines:
     http://download.opensuse.org/repositories/home:/tzotsos/openSUSE_Tumbleweed/ tzotsos
 
 and then add the OTB packages as shown above.
+
+
+Archlinux
+~~~~~~~~~~
+
+Package is in AUR (Arch User Repository).
+You will then need to run (if you use yaourt, you could use trizen instead):
+
+::
+
+    yaourt -S orfeo-toolbox
+
diff --git a/Modules/Radiometry/Indices/include/otbIndicesStackFunctor.h b/Modules/Radiometry/Indices/include/otbIndicesStackFunctor.h
index 257f66a84dc7a581a14ad2e1133c2aedf142a7f2..f7b8503f4a189540b5b5e721b9aecf7f3786578b 100644
--- a/Modules/Radiometry/Indices/include/otbIndicesStackFunctor.h
+++ b/Modules/Radiometry/Indices/include/otbIndicesStackFunctor.h
@@ -23,6 +23,7 @@
 
 #include <vector>
 #include <stdexcept>
+#include "itkVariableLengthVector.h"
 
 namespace otb
 {