diff --git a/i18n/js_to_json.py b/i18n/js_to_json.py
index c091152b6..e48b1cee1 100755
--- a/i18n/js_to_json.py
+++ b/i18n/js_to_json.py
@@ -48,7 +48,7 @@ import re
 from common import write_files
 
 
-_INPUT_DEF_PATTERN = re.compile("""Blockly.Msg.(\w*)\s*=\s*'(.*)';?$""")
+_INPUT_DEF_PATTERN = re.compile("""Blockly.Msg.(\w*)\s*=\s*'(.*)';?\r?$""")
 
 _INPUT_SYN_PATTERN = re.compile(
     """Blockly.Msg.(\w*)\s*=\s*Blockly.Msg.(\w*);""")