diff --git a/scripts/calibrate_roi.py b/scripts/calibrate_roi.py
old mode 100644
new mode 100755
index ef9991a..2f404f9
--- a/scripts/calibrate_roi.py
+++ b/scripts/calibrate_roi.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 import numpy as np
 import rospy
 
diff --git a/scripts/run.py b/scripts/run.py
old mode 100644
new mode 100755
index 6a2dbc6..c854ca8
--- a/scripts/run.py
+++ b/scripts/run.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 import argparse
 from datetime import datetime
 import pandas as pd
@@ -33,7 +35,7 @@ def main():
 def create_parser():
     parser = argparse.ArgumentParser()
     parser.add_argument("policy", type=str, choices=registry.keys())
-    parser.add_argument("--runs", type=int, default=100)
+    parser.add_argument("--runs", type=int, default=1)
     parser.add_argument("--logdir", type=Path, default="logs")
     parser.add_argument("--seed", type=int, default=1)
     return parser