diff --git a/framework/src/org/apache/tapestry/html/Body.java b/framework/src/org/apache/tapestry/html/Body.java
index dbdf320..6dcca9c 100644
--- a/framework/src/org/apache/tapestry/html/Body.java
+++ b/framework/src/org/apache/tapestry/html/Body.java
@@ -339,6 +339,7 @@
 
         writer.begin("script");
         writer.attribute("language", "JavaScript");
+        writer.attribute("type", "text/javascript");
         writer.printRaw("<!--");
 
         if (any(_imageInitializations))