diff --git a/cara/apps/calculator/report_generator.py b/cara/apps/calculator/report_generator.py
index 66d66910..5124f94a 100644
--- a/cara/apps/calculator/report_generator.py
+++ b/cara/apps/calculator/report_generator.py
@@ -44,12 +44,15 @@ def calculate_report_data(model: models.ExposureModel):
     er = np.array(model.concentration_model.infected.emission_rate_when_present()).mean()
     exposed_occupants = model.exposed.number
     expected_new_cases = np.array(model.expected_new_cases()).mean()
-    cumulative_dose = np.array([model.cumulated_exposure_vs_time(t) for t in times]).mean()
+    cumulative_doses = [
+        np.array(model.cumulated_exposure_vs_time(float(time))).mean()
+        for time in times
+    ]
 
     return {
         "times": list(times),
         "exposed_presence_intervals": [list(interval) for interval in model.exposed.presence.boundaries()],
-        "cumulative_dose": cumulative_dose,
+        "cumulative_doses": cumulative_doses,
         "concentrations": concentrations,
         "highest_const": highest_const,
         "prob_inf": prob,
diff --git a/cara/apps/calculator/static/js/report.js b/cara/apps/calculator/static/js/report.js
index 58ab40ae..69ef2ee2 100644
--- a/cara/apps/calculator/static/js/report.js
+++ b/cara/apps/calculator/static/js/report.js
@@ -1,5 +1,5 @@
 /* Generate the concentration plot using d3 library. */
-function draw_concentration_plot(svg_id, times, concentrations, cumulative_dose, exposed_presence_intervals) {
+function draw_concentration_plot(svg_id, times, concentrations, cumulative_doses, exposed_presence_intervals) {
     var visBoundingBox = d3.select(svg_id)
         .node()
         .getBoundingClientRect();
@@ -7,7 +7,7 @@ function draw_concentration_plot(svg_id, times, concentrations, cumulative_dose,
     var time_format = d3.timeFormat('%H:%M');
 
     var data = []
-    times.map((time, index) => data.push({ 'time': time, 'hour': new Date().setHours(Math.trunc(time), (time - Math.trunc(time)) * 60), 'concentration': concentrations[index], 'cumulative_dose': cumulative_dose[index] }))
+    times.map((time, index) => data.push({ 'time': time, 'hour': new Date().setHours(Math.trunc(time), (time - Math.trunc(time)) * 60), 'concentration': concentrations[index], 'cumulative_doses': cumulative_doses[index] }))
 
     var vis = d3.select(svg_id),
         width = visBoundingBox.width - 400,
@@ -20,7 +20,7 @@ function draw_concentration_plot(svg_id, times, concentrations, cumulative_dose,
         bisecHour = d3.bisector((d) => { return d.hour; }).left,
 
         yRange = d3.scaleLinear().range([height - margins.bottom, margins.top]).domain([0., Math.max(...concentrations)]),
-        yCumulatedRange = d3.scaleLinear().range([height - margins.bottom, margins.top]).domain([0., Math.max(...cumulative_dose)]),
+        yCumulatedRange = d3.scaleLinear().range([height - margins.bottom, margins.top]).domain([0., Math.max(...cumulative_doses)]),
 
         xAxis = d3.axisBottom(xRange).tickFormat(d => time_format(d)),
         yAxis = d3.axisLeft(yRange),
@@ -49,9 +49,9 @@ function draw_concentration_plot(svg_id, times, concentrations, cumulative_dose,
 
     // Line representing the cumulative concentration.
     var lineCumulativeFunc = d3.line()
-        .defined(d => !isNaN(d.cumulative_dose))
+        .defined(d => !isNaN(d.cumulative_doses))
         .x(d => xTimeRange(d.time))
-        .y(d => yCumulatedRange(d.cumulative_dose))
+        .y(d => yCumulatedRange(d.cumulative_doses))
         .curve(d3.curveBasis);
 
     vis.append('svg:path')
diff --git a/cara/apps/calculator/templates/base/calculator.report.html.j2 b/cara/apps/calculator/templates/base/calculator.report.html.j2
index be127ece..b4cf7fb7 100644
--- a/cara/apps/calculator/templates/base/calculator.report.html.j2
+++ b/cara/apps/calculator/templates/base/calculator.report.html.j2
@@ -224,9 +224,9 @@
 		<script type="application/javascript">
 			var times = {{times}}
 			var concentrations = {{concentrations}}
-			var cumulative_dose = {{cumulative_dose}}
+			var cumulative_doses = {{cumulative_doses}}
 			var exposed_presence_intervals = {{exposed_presence_intervals}}
-        	draw_concentration_plot("#result_plot", times, concentrations, cumulative_dose, exposed_presence_intervals);
+        	draw_concentration_plot("#result_plot", times, concentrations, cumulative_doses, exposed_presence_intervals);
     	</script>
 
     <p class="data_title">Alternative scenarios:</p>