diff --git a/bin/build-site.sh b/bin/build-site.sh
index a02389486..d59d3da1b 100755
--- a/bin/build-site.sh
+++ b/bin/build-site.sh
@@ -242,7 +242,7 @@ node $TW5_BUILD_TIDDLYWIKI \
 	./editions/tw5.com-docs \
 	--load $TW5_BUILD_OUTPUT/build.tid \
 	--output $TW5_BUILD_OUTPUT/editions/tw5.com-docs/ \
-	--build external \
+	--build index \
 	|| exit 1
 
 # /editions/twitter-archivist/index.html	Twitter Archivist edition