diff --git a/mcstas-comps/samples/PowderN.comp b/mcstas-comps/samples/PowderN.comp
index 87219328e..6a34b16a7 100644
--- a/mcstas-comps/samples/PowderN.comp
+++ b/mcstas-comps/samples/PowderN.comp
@@ -900,6 +900,7 @@ INITIALIZE
 %}
 TRACE
 %{
+  // Dummy line edit
   double t0, t1, t2, t3, v, v1, l_full, l, l_1, dt, alpha0, alpha, theta, my_s, my_s_n, sg;
   double solid_angle;
   double neutrontype = 0;