diff --git a/build/toolchain/mac/linker_driver.py b/build/toolchain/mac/linker_driver.py
index d0b344e487b39670855c4a440febee7650c4e42e..7e11c92365e48cf0d08c4dd7d9163b14b9c6740b 100755
--- a/build/toolchain/mac/linker_driver.py
+++ b/build/toolchain/mac/linker_driver.py
@@ -55,11 +55,11 @@ def main(args):
     if len(args) < 2:
         raise RuntimeError("Usage: linker_driver.py [linker-invocation]")
 
-    for i in range(len(args)):
-        if args[i] != '--developer_dir':
+    for x in range(len(args)):
+        if args[x] != '--developer_dir':
             continue
-        os.environ['DEVELOPER_DIR'] = args[i + 1]
-        del args[i:i + 2]
+        os.environ['DEVELOPER_DIR'] = args[x + 1]
+        del args[x:x + 2]
         break
 
     # Collect arguments to the linker driver (this script) and remove them from