diff --git a/collect_seed_metrics.py b/collect_seed_metrics.py
index 74d7e42..b0f83b6 100644
--- a/collect_seed_metrics.py
+++ b/collect_seed_metrics.py
@@ -1,3 +1,11 @@
+import os
+
+CUR_FPATH = os.path.abspath(__file__)
+CUR_FDIR = os.path.dirname(CUR_FPATH)
+
+# chdir to the directory of this script
+os.chdir(CUR_FDIR)
+
 import requests
 import numpy as np
 import json
diff --git a/proxy_env2.py b/proxy_env2.py
index 8e4d9c5..bbe2cea 100644
--- a/proxy_env2.py
+++ b/proxy_env2.py
@@ -1,3 +1,11 @@
+import os
+
+CUR_FPATH = os.path.abspath(__file__)
+CUR_FDIR = os.path.dirname(CUR_FPATH)
+
+# chdir to the directory of this script
+os.chdir(CUR_FDIR)
+
 import requests
 import numpy as np
 import json
diff --git a/run_different_req_freq.py b/run_different_req_freq.py
index 6c5aa4c..43fde84 100644
--- a/run_different_req_freq.py
+++ b/run_different_req_freq.py
@@ -1,3 +1,11 @@
+import os
+
+CUR_FPATH = os.path.abspath(__file__)
+CUR_FDIR = os.path.dirname(CUR_FPATH)
+
+# chdir to the directory of this script
+os.chdir(CUR_FDIR)
+
 req_freqs=["low","middle","high"]
 
 import threading
diff --git a/run_multi_fn_dag.py b/run_multi_fn_dag.py
index a95bb5f..9dacc9c 100644
--- a/run_multi_fn_dag.py
+++ b/run_multi_fn_dag.py
@@ -1,3 +1,12 @@
+import os
+
+CUR_FPATH = os.path.abspath(__file__)
+CUR_FDIR = os.path.dirname(CUR_FPATH)
+
+# chdir to the directory of this script
+os.chdir(CUR_FDIR)
+
+
 from proxy_env2 import ProxyEnv2
 import threading
 dag_types = ["dag"]
diff --git a/run_ppo.py b/run_ppo.py
index 1403d33..9c25a89 100644
--- a/run_ppo.py
+++ b/run_ppo.py
@@ -19,6 +19,14 @@
 From the paper "Proximal Policy Optimization Algorithms"
 https://arxiv.org/abs/1707.06347.
 """
+import os
+
+CUR_FPATH = os.path.abspath(__file__)
+CUR_FDIR = os.path.dirname(CUR_FPATH)
+
+# chdir to the directory of this script
+os.chdir(CUR_FDIR)
+
 from proxy_env2 import ProxyEnv2
 from deep_rl_zoo import greedy_actors
 from deep_rl_zoo import gym_env