diff --git a/google_stocks/__init__.py b/google_stocks/__init__.py
index 7f07fd8..57a3122 100644
--- a/google_stocks/__init__.py
+++ b/google_stocks/__init__.py
@@ -101,7 +101,9 @@ class Index:
 
         assert tag[0] is not None and tag[1] is not None
         self.price = decimal.Decimal(tag[0].text_content().replace(",", "").strip())
-        percent_change_str = tag[1][0].text_content().strip().replace("−", "-")
+        percent_change_str = tag[1][0].text_content().strip()
+        percent_change_str = percent_change_str.replace("\N{MINUS SIGN}", "-")
+
         self.day_change = decimal.Decimal(percent_change_str)
         m = re_percent_change.match(tag[1][1].text_content())
         assert m