diff --git a/Makefile b/Makefile
index b002d40f4..9c7e33783 100644
--- a/Makefile
+++ b/Makefile
@@ -11,6 +11,7 @@ all: \
 	iD.min.js
 
 .INTERMEDIATE iD.js: \
+	js/lib/bootstrap-tooltip.js \
 	js/lib/d3.v3.js \
 	js/lib/d3.geo.tile.js \
 	js/lib/d3.keybinding.js \