diff --git a/tools/js2c.py b/tools/js2c.py
index 8685722c13cdc5..38cf39f81677dd 100755
--- a/tools/js2c.py
+++ b/tools/js2c.py
@@ -330,6 +330,10 @@ def JS2C(source, target):
 def main():
   natives = sys.argv[1]
   source_files = sys.argv[2:]
+  if source_files[-2] == '-t':
+    global TEMPLATE
+    TEMPLATE = source_files[-1]
+    source_files = source_files[:-2]
   JS2C(source_files, [natives])
 
 if __name__ == "__main__":