diff --git a/js/bootstrap-select.js b/js/bootstrap-select.js
index 44968e09b..10d439ded 100644
--- a/js/bootstrap-select.js
+++ b/js/bootstrap-select.js
@@ -883,7 +883,10 @@
 
       this.multiple = this.$element.prop('multiple');
       this.autofocus = this.$element.prop('autofocus');
-      this.options.showTick = this.$element[0].classList.contains('show-tick');
+
+      if (this.$element[0].classList.contains('show-tick')) {
+        this.options.showTick = true;
+      }
 
       this.$newElement = this.createDropdown();
       this.$element