diff --git a/tools_webrtc/autoroller/roll_deps.py b/tools_webrtc/autoroller/roll_deps.py
index 85ba943e7d..2f374eb70c 100755
--- a/tools_webrtc/autoroller/roll_deps.py
+++ b/tools_webrtc/autoroller/roll_deps.py
@@ -449,8 +449,8 @@ def CalculateChangedClang(new_cr_rev):
         return match.group(1)
     raise RollError('Could not parse Clang revision!')
 
-  with open(CLANG_UPDATE_SCRIPT_LOCAL_PATH, 'rb') as f:
-    current_lines = f.readlines().decode('utf-8')
+  with open(CLANG_UPDATE_SCRIPT_LOCAL_PATH, 'r') as f:
+    current_lines = f.readlines()
   current_rev = GetClangRev(current_lines)
 
   new_clang_update_py = ReadRemoteCrFile(CLANG_UPDATE_SCRIPT_URL_PATH,