diff --git a/documentation/changelog.rst b/documentation/changelog.rst
index 88977402f..1f9795cbf 100644
--- a/documentation/changelog.rst
+++ b/documentation/changelog.rst
@@ -26,6 +26,7 @@ v0.4.1 | May XX, 2021
 Bugfixes
 -----------
 * Fix regression when editing assets in the UI [see `PR #122 <http://www.github.com/SeitaBV/flexmeasures/pull/122>`_]
+* Fixed a regression that stopped asset, market and sensor selection from working [see `PR #117 <http://www.github.com/SeitaBV/flexmeasures/pull/117>`_]
 * Prevent logging out user when clearing the session [see `PR #112 <http://www.github.com/SeitaBV/flexmeasures/pull/112>`_]
 * Prevent user type data source to be created without setting a user [see `PR #111 <https://github.com/SeitaBV/flexmeasures/pull/111>`_]
 
diff --git a/flexmeasures/ui/static/js/daterange-utils.js b/flexmeasures/ui/static/js/daterange-utils.js
new file mode 100644
index 000000000..41c5f3f48
--- /dev/null
+++ b/flexmeasures/ui/static/js/daterange-utils.js
@@ -0,0 +1,19 @@
+// Date range utils
+export function subtract(oldDate, nDays) {
+    var newDate = new Date(oldDate)
+    newDate.setDate(newDate.getDate() - nDays);
+    return newDate;
+}
+export function thisMonth(oldDate) {
+    var d1 = new Date(oldDate)
+    d1.setDate(1);
+    var d2 = new Date(d1.getFullYear(), d1.getMonth() + 1, 0);
+    return [d1, d2];
+};
+export function lastNMonths(oldDate, nMonths) {
+    var d0 = new Date(oldDate)
+    var d1 = new Date(d0.getFullYear(), d0.getMonth() - nMonths + 2, 0);
+    d1.setDate(1);
+    var d2 = new Date(d0.getFullYear(), d0.getMonth() + 1, 0);
+    return [d1, d2];
+};
diff --git a/flexmeasures/ui/static/js/flexmeasures.js b/flexmeasures/ui/static/js/flexmeasures.js
index 66e00404c..8dd0becba 100644
--- a/flexmeasures/ui/static/js/flexmeasures.js
+++ b/flexmeasures/ui/static/js/flexmeasures.js
@@ -310,24 +310,3 @@ function submit_market() {
 function submit_sensor_type() {
     $("#sensor_type-form").attr("action", empty_location).submit();
 }
-
-
-// Date range utils
-export function subtract(oldDate, nDays) {
-    var newDate = new Date(oldDate)
-    newDate.setDate(newDate.getDate() - nDays);
-    return newDate;
-}
-export function thisMonth(oldDate) {
-    var d1 = new Date(oldDate)
-    d1.setDate(1);
-    var d2 = new Date(d1.getFullYear(), d1.getMonth() + 1, 0);
-    return [d1, d2];
-};
-export function lastNMonths(oldDate, nMonths) {
-    var d0 = new Date(oldDate)
-    var d1 = new Date(d0.getFullYear(), d0.getMonth() - nMonths + 2, 0);
-    d1.setDate(1);
-    var d2 = new Date(d0.getFullYear(), d0.getMonth() + 1, 0);
-    return [d1, d2];
-};
diff --git a/flexmeasures/ui/templates/base.html b/flexmeasures/ui/templates/base.html
index b0fcc770f..9dfd7b3a0 100644
--- a/flexmeasures/ui/templates/base.html
+++ b/flexmeasures/ui/templates/base.html
@@ -209,7 +209,7 @@
     <script src="https://cdn.jsdelivr.net/npm/ion-rangeslider@2.3.1/js/ion.rangeSlider.min.js"></script>
 
     <!-- Custom scripts -->
-    <script type="module" src="{{ url_for('flexmeasures_ui.static', filename='js/flexmeasures.js') }}"></script>
+    <script src="{{ url_for('flexmeasures_ui.static', filename='js/flexmeasures.js') }}"></script>
     {% if show_datepicker %}
     <script src="{{ url_for('flexmeasures_ui.static', filename='js/daterangepicker-init.js') }}"></script>
     {% endif %}
diff --git a/flexmeasures/ui/templates/views/sensors.html b/flexmeasures/ui/templates/views/sensors.html
index 2800d5f8c..5bb5c7e15 100644
--- a/flexmeasures/ui/templates/views/sensors.html
+++ b/flexmeasures/ui/templates/views/sensors.html
@@ -25,7 +25,7 @@
     <!-- Render Charts -->
     <script type="module" type="text/javascript">
 
-      import { subtract, thisMonth, lastNMonths } from "{{ url_for('flexmeasures_ui.static', filename='js/flexmeasures.js') }}";
+      import { subtract, thisMonth, lastNMonths } from "{{ url_for('flexmeasures_ui.static', filename='js/daterange-utils.js') }}";
 
       let vegaView;