diff --git a/pylib/gyp/generator/cmake.py b/pylib/gyp/generator/cmake.py
index f5ceacfc..c6685265 100644
--- a/pylib/gyp/generator/cmake.py
+++ b/pylib/gyp/generator/cmake.py
@@ -41,7 +41,7 @@
 try:
     # maketrans moved to str in python3.
     _maketrans = string.maketrans
-except NameError:
+except (NameError, AttributeError):
     _maketrans = str.maketrans
 
 generator_default_variables = {