diff --git a/ox/file.py b/ox/file.py
index a983662..7d4c609 100644
--- a/ox/file.py
+++ b/ox/file.py
@@ -42,6 +42,9 @@ def is_exe(fpath):
     return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
 
 def which(program):
+    local = os.path.expanduser('~/.ox/bin/%s' % program)
+    if os.path.exists(local):
+        return local
     fpath, fname = os.path.split(program)
     if fpath:
         if is_exe(program):