diff --git a/src/display/annotation_layer.js b/src/display/annotation_layer.js
index e833204d6..5d52b3e4b 100644
--- a/src/display/annotation_layer.js
+++ b/src/display/annotation_layer.js
@@ -31,7 +31,7 @@
 var AnnotationBorderStyleType = sharedUtil.AnnotationBorderStyleType;
 var AnnotationType = sharedUtil.AnnotationType;
 var Util = sharedUtil.Util;
-var isExternalLinkTargetSet = sharedUtil.Util;
+var isExternalLinkTargetSet = sharedUtil.isExternalLinkTargetSet;
 var LinkTargetStringMap = sharedUtil.LinkTargetStringMap;
 var warn = sharedUtil.warn;
 var CustomStyle = displayDOMUtils.CustomStyle;