diff --git a/js/src/builtin/Stream.cpp b/js/src/builtin/Stream.cpp
index 51cf8e9f6e..0d5d0b2701 100644
--- a/js/src/builtin/Stream.cpp
+++ b/js/src/builtin/Stream.cpp
@@ -6949,6 +6949,9 @@ R"JS(
     return closePromise;
   }
 
+)JS"
+R"JS(
+
   function __uxpTransferWritableStream(stream) {
     if (!isWritableStream(stream))
       return undefined;
@@ -7104,6 +7107,9 @@ R"JS(
     }
   }
 
+)JS"
+R"JS(
+
   function postReadableTransferPortError(record, error) {
     var posted = tryPostReadableTransferPort(record.port,
                                              { type: "error", value: error });