diff --git a/libmproxy/contrib/jsbeautifier/unpackers/myobfuscate.py b/libmproxy/contrib/jsbeautifier/unpackers/myobfuscate.py
index 52e100340..9893f95f3 100644
--- a/libmproxy/contrib/jsbeautifier/unpackers/myobfuscate.py
+++ b/libmproxy/contrib/jsbeautifier/unpackers/myobfuscate.py
@@ -40,7 +40,7 @@ try:
 except ImportError:
     from urllib.parse import unquote
 
-from jsbeautifier.unpackers import UnpackingError
+from . import UnpackingError
 
 PRIORITY = 1
 
diff --git a/libmproxy/contrib/jsbeautifier/unpackers/packer.py b/libmproxy/contrib/jsbeautifier/unpackers/packer.py
index a79d3ed5b..37aa7123b 100644
--- a/libmproxy/contrib/jsbeautifier/unpackers/packer.py
+++ b/libmproxy/contrib/jsbeautifier/unpackers/packer.py
@@ -14,7 +14,7 @@
 
 import re
 import string
-from jsbeautifier.unpackers import UnpackingError
+from . import UnpackingError
 
 PRIORITY = 1