diff --git a/telemetry-toolkit/telem-seq.sh b/telemetry-toolkit/telem-seq.sh
index 0d2a36d7..f9047542 100644
--- a/telemetry-toolkit/telem-seq.sh
+++ b/telemetry-toolkit/telem-seq.sh
@@ -2,6 +2,10 @@
 # Generate sequence number as described here:
 # https://github.com/wb2osz/direwolf/issues/9
 #
+if [ ! -f /tmp/seq ]; then
+echo 0 > /tmp/seq
+fi
+
 SEQ=`cat /tmp/seq 2>/dev/null`
 SEQ=$(expr \( $SEQ + 1 \) % 1000)
-echo $SEQ | tee /tmp/seq
\ No newline at end of file
+echo $SEQ | tee /tmp/seq