diff --git a/pesterchum b/pesterchum
index f351cb8..3ea92a5 100755
--- a/pesterchum
+++ b/pesterchum
@@ -1,3 +1,4 @@
 #!/bin/sh
 
+cd `dirname $0`
 python2.6 pesterchum.py $@
diff --git a/pesterchum.py b/pesterchum.py
index ff8cbb7..1b050e0 100644
--- a/pesterchum.py
+++ b/pesterchum.py
@@ -1,8 +1,10 @@
 # pesterchum
+import os, sys, getopt
+if os.path.dirname(sys.argv[0]):
+    os.chdir(os.path.dirname(sys.argv[0]))
 import version
 version.pcVerCalc()
 import logging
-import os, sys, getopt
 from datetime import *
 import random
 import re