diff --git a/bin/tryton b/bin/tryton
index f5e3c1b6ae..d4ed6a24dd 100755
--- a/bin/tryton
+++ b/bin/tryton
@@ -1,8 +1,11 @@
 #!/usr/bin/env python
 import sys, os
-DIR = os.path.abspath(os.path.normpath(os.path.join(__file__,
-    '..', '..', 'tryton')))
-if os.path.isdir(DIR):
-    sys.path.insert(0, os.path.dirname(DIR))
+try:
+    DIR = os.path.abspath(os.path.normpath(os.path.join(__file__,
+        '..', '..', 'tryton')))
+    if os.path.isdir(DIR):
+        sys.path.insert(0, os.path.dirname(DIR))
+except:
+    pass
 import tryton
 tryton.TrytonClient().run()