diff --git a/BlochPeriodicWaveguides/rhombus.pro b/BlochPeriodicWaveguides/rhombus.pro
index 1ff5b585a9870ec29d6f7529e23321474e38ec1d..73aa2032aa45bf671dc4869a64698ec4a4ce9b8a 100644
--- a/BlochPeriodicWaveguides/rhombus.pro
+++ b/BlochPeriodicWaveguides/rhombus.pro
@@ -274,7 +274,7 @@ PostProcessing {
 PostOperation {
   { Name plot_step; NameOfPostProcessing Guide_h_2D;
     Operation {
-      Print[ step, OnPoint{0,0,0}, Format Table, File "res/step.txt", SendToServer "GetDP/Step"{0} ] ;
+      Print[ step, OnPoint{0,0,0}, Format ValueOnly, File "res/step.txt", SendToServer "GetDP/Step"{0} ] ;
     }
   }