diff --git a/Applications/Classification/otbEstimateImagesStatistics.cxx b/Applications/Classification/otbEstimateImagesStatistics.cxx
index 2ba7b253333afdd4ca0b449b7427235729563a68..a7fdd2b3ed648f9e0c41756bc3b9b7b8474c9f7f 100644
--- a/Applications/Classification/otbEstimateImagesStatistics.cxx
+++ b/Applications/Classification/otbEstimateImagesStatistics.cxx
@@ -82,7 +82,7 @@ private:
     // Build a MeasurementVector of variance
     MeasurementType variance;
 
-    FloatVectorImageListType* imageList = GetParameterImageList("in");
+    FloatVectorImageListType* imageList = GetParameterImageList("il");
 
     //Iterate over all input images
     for (unsigned int imageId = 0; imageId < imageList->Size(); ++imageId)