diff --git a/select2.js b/select2.js
index cda3bdfc..04af1cfa 100644
--- a/select2.js
+++ b/select2.js
@@ -2868,7 +2868,7 @@ the specific language governing permissions and limitations under the Apache Lic
                 '<': '&lt;',
                 '>': '&gt;',
                 '"': '&quot;',
-                "'": '&apos;',
+                "'": '&#39;',
                 "/": '&#47;'
             };