diff --git a/tools/meas.py b/tools/meas.py
index 434b17d..6b1f928 100644
--- a/tools/meas.py
+++ b/tools/meas.py
@@ -605,7 +605,7 @@ if __name__ == "__main__":
           ##### generate the output CSV file
           if args.output_file != None:
             FILE = open(args.output_file, "w")
-            FILE.write("freqency;ratio;impedance;watt;drive;a0;a1\n")
+            FILE.write("freqency;ratio;impedance;drive;a0;a1\n")
             j = 0
             for m in meas_ratio:
               FILE.write("%f;%f;%f;%f;%d;%d\n" % (meas_freq[j], m, meas_r[j], i, meas_data[j][1], meas_data[j][2]))