diff --git a/NPLib/Helios/Helios.cxx b/NPLib/Helios/Helios.cxx
index ddc54f00ed4b9b151c5ebf21675b8b19a0c92a66..be8c261856c82554abc792c6b53a5710f131c4fc 100755
--- a/NPLib/Helios/Helios.cxx
+++ b/NPLib/Helios/Helios.cxx
@@ -711,7 +711,8 @@ void Helios::AddModuleDummyShape(TVector3 C_X1_Y1,
    TVector3 Strip_1_1;
 
    // Geometry Parameter
-   double Face = 50;		// mm
+   //Commented by Adrien Matta (produce a warning)
+  //  double Face = 50;		// mm
    double NumberOfStrip = 128;
    double StripPitch = 0.98; //Face/NumberOfStrip; // mm