diff --git a/Applications/Utils/otbColorMapping.cxx b/Applications/Utils/otbColorMapping.cxx
index 88dbae4ee33a916f141aa96bfbdd3c067687c0f6..1b4d86c2eb6e72389e1ca1ba85e4eb33f19cbfc2 100644
--- a/Applications/Utils/otbColorMapping.cxx
+++ b/Applications/Utils/otbColorMapping.cxx
@@ -147,7 +147,7 @@ public:
       TValue value = m_LabelToImageIntensityMap[i];
       for (unsigned int index = 0; index < value.Size(); index++)
            {
-            value[index]=value[index]/static_cast<float>(m_WeigthingMap.at(i));
+            value[index]=value[index]/static_cast<float>(m_WeigthingMap[i]);
            }
       MeanMap[i]=value;
       }