diff --git a/Applications/Hyperspectral/otbVertexComponentAnalysis.cxx b/Applications/Hyperspectral/otbVertexComponentAnalysis.cxx
index 30b2f1d1c05d8a5e18ca169d6eedced4ac4ceead..91ef756af140ccfa94462a2fb528297477975aaa 100644
--- a/Applications/Hyperspectral/otbVertexComponentAnalysis.cxx
+++ b/Applications/Hyperspectral/otbVertexComponentAnalysis.cxx
@@ -74,6 +74,7 @@ private:
     SetParameterDescription("outendm","The endmebers, stored in a one-line multi-spectral image, each pixel representing an endmember");
     MandatoryOn("outendm");
 
+    AddRANDParameter();
     // Doc example parameter settings
     SetDocExampleParameterValue("in", "cupriteSubHsi.tif");
     SetDocExampleParameterValue("ne", "5");