diff --git a/templates/departures.html.ep b/templates/departures.html.ep
index 47c4872..00c1c0e 100644
--- a/templates/departures.html.ep
+++ b/templates/departures.html.ep
@@ -71,7 +71,7 @@
 						</td>
 						<td class="<%= $td_class %>"><%= $result->departure->strftime('%H:%M') %>
 							% if ($result->departure_delay) {
-								(+<%= $result->departure_delay %>)
+								(<%= sprintf('%+d', $result->departure_delay) %>)
 							% }
 						</td>
 					</tr>
diff --git a/templates/history.html.ep b/templates/history.html.ep
index c2e6f88..af24eed 100644
--- a/templates/history.html.ep
+++ b/templates/history.html.ep
@@ -47,7 +47,7 @@
 							% else {
 								<%= $travel->{rt_departure}->strftime('%H:%M') %>
 								% if ($travel->{sched_departure} != $travel->{rt_departure}) {
-									(+<%= ($travel->{rt_departure}->epoch - $travel->{sched_departure}->epoch) / 60 %>)
+									(<%= sprintf('%+d', ($travel->{rt_departure}->epoch - $travel->{sched_departure}->epoch) / 60) %>)
 								% }
 							% }
 							</td>
@@ -61,7 +61,7 @@
 								% } else {
 									%= $travel->{rt_arrival}->strftime('%H:%M');
 									% if ($travel->{sched_arrival} != $travel->{rt_arrival}) {
-										(+<%= ($travel->{rt_arrival}->epoch - $travel->{sched_arrival}->epoch) / 60 %>)
+										(<%= sprintf('%+d', ($travel->{rt_arrival}->epoch - $travel->{sched_arrival}->epoch) / 60) %>)
 									% }
 								% }
 							% }
diff --git a/templates/journey.html.ep b/templates/journey.html.ep
index abd9ba8..e00fdc2 100644
--- a/templates/journey.html.ep
+++ b/templates/journey.html.ep
@@ -45,7 +45,7 @@
 						% }
 						% elsif ($journey->{rt_departure} != $journey->{sched_departure}) {
 							%= $journey->{rt_departure}->strftime('%H:%M');
-							(+<%= ($journey->{rt_departure}->epoch - $journey->{sched_departure}->epoch) / 60 %>,
+							(<%= sprintf('%+d', ($journey->{rt_departure}->epoch - $journey->{sched_departure}->epoch) / 60) %>,
 							Plan: <%= $journey->{sched_departure}->strftime('%H:%M'); %>)
 						% }
 						% else {
@@ -67,7 +67,7 @@
 						% }
 						% elsif ($journey->{rt_arrival} != $journey->{sched_arrival}) {
 							%= $journey->{rt_arrival}->strftime('%H:%M');
-							(+<%= ($journey->{rt_arrival}->epoch - $journey->{sched_arrival}->epoch) / 60 %>,
+							(<%= sprintf('%+d', ($journey->{rt_arrival}->epoch - $journey->{sched_arrival}->epoch) / 60) %>,
 							Plan: <%= $journey->{sched_arrival}->strftime('%H:%M'); %>)
 						% }
 						% else {