diff --git a/jedi/builtin.py b/jedi/builtin.py
index 64e59d62..1792555d 100644
--- a/jedi/builtin.py
+++ b/jedi/builtin.py
@@ -13,8 +13,8 @@ import debug
 import parsing
 
 
-module_find_path = sys.path[1:]
-
+def get_sys_path():
+    return sys.path[1:]
 
 class CachedModule(object):
     """
@@ -84,7 +84,9 @@ class Parser(CachedModule):
 
     module_cache = {}
 
-    def __init__(self, path=None, name=None, sys_path=module_find_path):
+    def __init__(self, path=None, name=None, sys_path=None):
+        if sys_path is None:
+            sys_path = get_sys_path()
         if not name:
             name = os.path.basename(path)
             name = name.rpartition('.')[0]  # cut file type (normally .so)
diff --git a/jedi/imports.py b/jedi/imports.py
index c54ae694..23cbed71 100644
--- a/jedi/imports.py
+++ b/jedi/imports.py
@@ -211,7 +211,7 @@ class ImportPath(object):
             sys_path_mod = list(self.sys_path_with_modifications())
             sys_path_mod.insert(0, self.file_path)
         else:
-            sys_path_mod = list(builtin.module_find_path)
+            sys_path_mod = list(builtin.get_sys_path())
 
         current_namespace = None
         # now execute those paths
diff --git a/jedi/modules.py b/jedi/modules.py
index c0918bb9..cee0f49d 100644
--- a/jedi/modules.py
+++ b/jedi/modules.py
@@ -234,9 +234,9 @@ def sys_path_with_modifications(module):
         try:
             possible_stmts = module.used_names['path']
         except KeyError:
-            return builtin.module_find_path
+            return builtin.get_sys_path()
 
-        sys_path = list(builtin.module_find_path)  # copy
+        sys_path = list(builtin.get_sys_path())  # copy
         for p in possible_stmts:
             try:
                 call = p.get_assignment_calls().get_only_subelement()