diff --git a/build/library.cfg b/build/library.cfg
index 5f6aeeff44..66b528bd5a 100644
--- a/build/library.cfg
+++ b/build/library.cfg
@@ -3,6 +3,7 @@ Prototype.js
 Rico/Corner.js
 _sfl_header.js
 OpenLayers.js
+OpenLayers/Util.js
 
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