diff --git a/cara/apps/calculator/static/js/report.js b/cara/apps/calculator/static/js/report.js
index 23e9b1aa..eb9e88ee 100644
--- a/cara/apps/calculator/static/js/report.js
+++ b/cara/apps/calculator/static/js/report.js
@@ -862,6 +862,11 @@ function copy_clipboard(shareable_link) {
     navigator.clipboard.writeText(shareable_link);
 }
 
+function display_rename_column(bool, id) {
+    if (bool) document.getElementById(id).style.display = 'block';
+    else document.getElementById(id).style.display = 'none';
+}
+
 function export_csv() {
     // This function generates a CSV file according to the user's input.
     // It is composed of a list of lists. 
@@ -870,7 +875,6 @@ function export_csv() {
     // respective data from the selected inputs.
 
     let final_export = [];
-
     // Verify which items are checked
     let export_lists = document.getElementsByName('checkedItems');
     let checked_items = [];
diff --git a/cara/apps/templates/base/calculator.report.html.j2 b/cara/apps/templates/base/calculator.report.html.j2
index 06069c67..37c6f3e5 100644
--- a/cara/apps/templates/base/calculator.report.html.j2
+++ b/cara/apps/templates/base/calculator.report.html.j2
@@ -48,8 +48,12 @@
 		<div class="modal-body">
 			<b>Select the data to export:</b>
 			<div class="form-check mt-3">
-				<input type="checkbox" class="form-check-input" name="checkedItems" id="Times">
+				<input type="checkbox" class="form-check-input" name="checkedItems" id="Times" onclick="display_rename_column(this.checked, 'times-rename-div')">
 				<label class="form-check-label" for="Times">Times of day</label>
+				<div id="times-rename-div" style="display:none">
+					<label class="col-form-label" for="times-rename">Column name:</label>
+					<input type="text" class="form-control form-control-sm col-sm-4" id="times-rename" placeholder="Times" value="Times">
+				</div>
 			</div>
 			<div class="form-check">
 				<input type="checkbox" class="form-check-input" name="checkedItems" id="Concentrations">
@@ -73,7 +77,7 @@
 		</div>
 		<div class="modal-footer">
 			<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
-			<button type="button" class="btn btn-primary" onClick="export_csv();">Export</button>
+			<button type="button" class="btn btn-primary" onclick="export_csv();">Export</button>
 		</div>
 		</div>
 	</div>