diff --git a/px6_convert.sh b/px6_convert.sh
index 2de6ad8..6296c65 100755
--- a/px6_convert.sh
+++ b/px6_convert.sh
@@ -21,7 +21,7 @@ grep -Ff /tmp/px6_optimize $OUTPUT >> ${OUTPUT}.tmp
 grep -Ff /tmp/px6_optimize $OUTPUT >> ${OUTPUT}.tmp
 grep -Ff /tmp/px6_optimize $OUTPUT >> ${OUTPUT}.tmp
 cat ${OUTPUT}.tmp >> $OUTPUT
-cat $OUTPUT | shuf > ${OUTPUT}.tmp
+cat $OUTPUT | grep -ve " [a-fA-F0-9]\{6\}00" | shuf > ${OUTPUT}.tmp
 mv ${OUTPUT}.tmp $OUTPUT
 rm /tmp/px6_optimize