diff --git a/Code/IO/otbMWImageIO.cxx b/Code/IO/otbMWImageIO.cxx
index 868773dc511a1872f06f4205a82f65ce5ad5795d..acbee4fd41397528a14458109d1bfef76fa8a3cf 100644
--- a/Code/IO/otbMWImageIO.cxx
+++ b/Code/IO/otbMWImageIO.cxx
@@ -213,7 +213,10 @@ bool MWImageIO::InternalReadHeaderInformation(std::fstream & file, const bool re
   }
   else
   {
-    itkExceptionMacro(<< "MW : impossible to determine CodePix information of the image");
+    if( reportError == true )
+    {
+        itkExceptionMacro(<< "MW : impossible to determine CodePix information of the image");
+    }
     return false;
   }