diff --git a/web/pdf_find_controller.js b/web/pdf_find_controller.js
index 7eeb01e65..0e2e32023 100644
--- a/web/pdf_find_controller.js
+++ b/web/pdf_find_controller.js
@@ -29,6 +29,7 @@ const MATCH_SCROLL_OFFSET_TOP = -50; // px
 const MATCH_SCROLL_OFFSET_LEFT = -400; // px
 
 const CHARACTERS_TO_NORMALIZE = {
+  "\u2010": "-", // Hyphen
   "\u2018": "'", // Left single quotation mark
   "\u2019": "'", // Right single quotation mark
   "\u201A": "'", // Single low-9 quotation mark