diff --git a/app/assets/javascripts/exhibit_search_typeahead.js b/app/assets/javascripts/exhibit_search_typeahead.js
index b05338e8..0f768c7e 100644
--- a/app/assets/javascripts/exhibit_search_typeahead.js
+++ b/app/assets/javascripts/exhibit_search_typeahead.js
@@ -16,7 +16,8 @@
       var container = el.parents('.exhibit-search-typeahead');
       _this.typeaheadElement = el;
       _this.form = el.parents('form');
-      _this.typeaheadRemoteUrl = el.data().typeaheadRemoteUrl + '?q=%QUERY';
+      const separator = el.data().typeaheadRemoteUrl.includes('?') ? '&' : '?';
+      _this.typeaheadRemoteUrl = el.data().typeaheadRemoteUrl + `${separator}q=%QUERY`;
       _this.preventFormSubmitOnTypeahead();
 
       // Cleanup typeahead if it alread exists (e.g. back-button cache)
diff --git a/app/assets/javascripts/index_status_typeahead.js b/app/assets/javascripts/index_status_typeahead.js
index 5dea026f..907485da 100644
--- a/app/assets/javascripts/index_status_typeahead.js
+++ b/app/assets/javascripts/index_status_typeahead.js
@@ -17,7 +17,8 @@
     init: function (el) {
       var _this = this;
       _this.itemStatusRemoteUrl = el.data().typeaheadRemoteUrl;
-      _this.typeaheadRemoteUrl = el.data().typeaheadRemoteUrl + '?q=%QUERY';
+      const separator = el.data().typeaheadRemoteUrl.includes('?') ? '&' : '?';
+      _this.typeaheadRemoteUrl = el.data().typeaheadRemoteUrl + `${separator}q=%QUERY`;
       el.typeahead(_this.typeaheadOptions, _this.typeaheadSources());
 
       el.bind('typeahead:selected', function(e, suggestion) {