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
 {