diff --git a/boot/boot.css b/boot/boot.css.tid
similarity index 96%
rename from boot/boot.css
rename to boot/boot.css.tid
index c0d15f1e3..27c8884cd 100644
--- a/boot/boot.css
+++ b/boot/boot.css.tid
@@ -1,3 +1,6 @@
+title: $:/boot/boot.css
+type: text/css
+
 /*
 Basic styles used before we boot up the parsing engine
 */
diff --git a/boot/tiddlywiki.files b/boot/tiddlywiki.files
index 38ab5adde..ca4109f09 100644
--- a/boot/tiddlywiki.files
+++ b/boot/tiddlywiki.files
@@ -25,11 +25,8 @@
 			}
 		},
 		{
-			"file": "boot.css",
-			"fields": {
-				"title": "$:/boot/boot.css",
-				"type": "text/css"
-			}
+			"file": "boot.css.tid",
+			"isTiddlerFile": true
 		}
 	]
 }
\ No newline at end of file