diff --git a/stdlib/2.7/os/path.pyi b/stdlib/2.7/os/path.pyi
index 99b29e5bdaf7..7cd2c4aac7c2 100644
--- a/stdlib/2.7/os/path.pyi
+++ b/stdlib/2.7/os/path.pyi
@@ -36,7 +36,7 @@ def getmtime(path: unicode) -> float: ...
 def getctime(path: unicode) -> float: ...
 
 def getsize(path: unicode) -> int: ...
-def isabs(path: unicode) -> bool: ...
+def isabs(path: AnyStr) -> bool: ...
 def isfile(path: unicode) -> bool: ...
 def isdir(path: unicode) -> bool: ...
 def islink(path: unicode) -> bool: ...