diff --git a/Lib/imp.py b/Lib/imp.py
index 3116347..717b6a4 100644
--- a/Lib/imp.py
+++ b/Lib/imp.py
@@ -126,8 +126,7 @@
 # XXX deprecate
 def load_package(name, path):
     if os.path.isdir(path):
-        extensions = _bootstrap._SOURCE_SUFFIXES
-        extensions += [_bootstrap._BYTECODE_SUFFIX]
+        extensions = _bootstrap._SOURCE_SUFFIXES + [_bootstrap._BYTECODE_SUFFIX]
         for extension in extensions:
             path = os.path.join(path, '__init__'+extension)
             if os.path.exists(path):