diff --git a/task.sh b/task.sh
index 17f6ad57..174131dd 100755
--- a/task.sh
+++ b/task.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 RUN_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )";
 
-CMD="\"$RUN_DIR/run.py\" -c \"$RUN_DIR/config.json\" >> \"$RUN_DIR/run.log\""
+CMD="python3 \"$RUN_DIR/run.py\" -c \"$RUN_DIR/config.json\" >> \"$RUN_DIR/run.log\""
 
 echo "*/5 * * * *   root    $CMD" > /etc/cron.d/ddns;
 /etc/init.d/cron reload;