diff --git a/regression_test/Makefile b/regression_test/Makefile
index 076eefa8..409055f2 100644
--- a/regression_test/Makefile
+++ b/regression_test/Makefile
@@ -5,7 +5,8 @@ test:
 	docker exec -d oef_regression_test_selenium_1 ffmpeg -y -video_size 1360x1020 -framerate 15 -f x11grab -i :99.0 /tmp/recording.mp4
 	go test
 	docker exec oef_regression_test_selenium_1 killall -s SIGINT ffmpeg
-	docker exec oef_regression_test_selenium_1 MP4Box -isma -inter 500 -out /tmp/recording_cleaned_up.mp4 /tmp/recording.mp4
+	docker exec oef_regression_test_selenium_1 ffmpeg -y -i /tmp/recording.mp4 -filter:v "setpts=5*PTS" /tmp/recording_slow.mp4
+	docker exec oef_regression_test_selenium_1 MP4Box -isma -inter 500 -out /tmp/recording_cleaned_up.mp4 /tmp/recording_slow.mp4
 	docker cp oef_regression_test_selenium_1:/tmp/recording_cleaned_up.mp4 recordings/recording.mp4
 
 all: test
diff --git a/regression_test/regression_test.go b/regression_test/regression_test.go
index 18466021..536a96fc 100644
--- a/regression_test/regression_test.go
+++ b/regression_test/regression_test.go
@@ -172,8 +172,57 @@ func (t *testSuite) TestSchoolSubscription() {
 		t.Contain(expected[i], text)
 	}
 
+	// Open the participant view
+
+	first := findElements("#partecipanti_list_group a")[0]
+	err = first.Click()
+	if err != nil {
+		panic(err)
+	}
+
+	// Remove the participant
+	err = findElement("button.karmen-ajax-delete").Click()
+	if err != nil {
+		panic(err)
+	}
+	err = findElement("#karmen-modal-btn-confirm").Click()
+	if err != nil {
+		panic(err)
+	}
+
+	// Subscribe a participant of the same existing category
+	addParticipantAsSchool(&orm.Participant{
+		Firstname:  "Luigi",
+		Lastname:   "VERDI",
+		FiscalCode: "VRDLGSR1234567",
+		Category:   &orm.Category{Name: "Senior"},
+	})
+
+	alert, err = findElement(".alert").Text()
+	t.Nil(err)
+
+	t.Contain("partecipante di questa categoria", alert)
+
+	err = findElement(".alert a").Click()
+	if err != nil {
+		panic(err)
+	}
+
+	// Subscribe a participant with the same fiscal code
+
+	populateParticipantForm(&orm.Participant{
+		Firstname:  "Luigi",
+		Lastname:   "VERDI",
+		FiscalCode: "BNCSR1234567",
+		Category:   &orm.Category{Name: "Senior"},
+	})
+
+	alert, err = findElement(".alert").Text()
+	t.Nil(err)
+
+	t.Contain("codice fiscale è già presente", alert)
+
 	removeSchoolAsAdmin("Liceo GALILEI")
-	removeParticipantAsAdmin("ROSSI")
 	removeParticipantAsAdmin("BIANCA")
 
 }
@@ -341,8 +390,12 @@ func addParticipantAsSchool(participant *orm.Participant) {
 	if err != nil {
 		panic(err)
 	}
+	populateParticipantForm(participant)
+	clickPrimaryButton()
+}
 
-	err = findElement("#participant_firstname").SendKeys(participant.Firstname)
+func populateParticipantForm(participant *orm.Participant) {
+	err := findElement("#participant_firstname").SendKeys(participant.Firstname)
 	if err != nil {
 		panic(err)
 	}
@@ -371,8 +424,10 @@ func addParticipantAsSchool(participant *orm.Participant) {
 	if err != nil {
 		panic(err)
 	}
+}
 
-	err = findElement("button.btn.btn-primary").Click()
+func clickPrimaryButton() {
+	err := findElement("button.btn.btn-primary").Click()
 	if err != nil {
 		panic(err)
 	}
diff --git a/templates/participants.html.tpl b/templates/participants.html.tpl
index 3e2c97f7..dbbbb316 100644
--- a/templates/participants.html.tpl
+++ b/templates/participants.html.tpl
@@ -60,7 +60,7 @@
       {{if le (len .Data) 1}}
       <p>
 	E' possibile iscrivere fino a due partecipanti alla gara (di diversa categoria).
-	<a href="{{create "Participant"}}" class="float-right btn btn-success btn-sm">
+	<a id="new_participant_subscribe" href="{{create "Participant"}}" class="float-right btn btn-success btn-sm">
 	  <span class="fa fa-plus-circle" aria-hidden="true"></span>
 	  Iscrivi un nuovo partecipante
 	</a>