diff --git a/ReactAndroid/DEFS b/ReactAndroid/DEFS
index 20f0f7626..be373c48b 100644
--- a/ReactAndroid/DEFS
+++ b/ReactAndroid/DEFS
@@ -4,7 +4,8 @@
 # - At Facebook by running buck from the root of the fb repo
 # - Outside of Facebook by running buck in the root of the git repo
 
-import os
+with allow_unsafe_import():
+    import os
 
 # Example: react_native_target('java/com/facebook/react/common:common')
 def react_native_target(path):