diff --git a/ircstat/stat b/ircstat/stat
index 640e703..bb4e916 100755
--- a/ircstat/stat
+++ b/ircstat/stat
@@ -35,9 +35,9 @@ set grid xtics
 set title "Traffic on the Qi-Hardware IRC channels"
 set xlabel "Month"
 set ylabel "Traffic (kbytes gzip'ed)"
-plot "_out" using (\$1/1000) with lines title "#qi-hardware" lw 2, \
-  "_out" using (\$2/1000) with lines title "#milkymist" lw 2, \
-  "_out" using :((\$1+\$2)/1000) with lines title "Both"
+plot "<sed '\$d' _out" using (\$1/1000) with lines title "#qi-hardware" lw 2, \
+  "<sed '\$d' _out" using (\$2/1000) with lines title "#milkymist" lw 2, \
+  "<sed '\$d' _out" using :((\$1+\$2)/1000) with lines title "Both"
 set term png
 set output "out.png"
 replot