diff --git a/res/templates-vector/notif_mail.txt b/res/templates-vector/notif_mail.txt
index 24843042a540bb07f83efb56fdb9c925776072f1..dec2e5960b90895480279c9019e23625b468b3a0 100644
--- a/res/templates-vector/notif_mail.txt
+++ b/res/templates-vector/notif_mail.txt
@@ -1,6 +1,6 @@
Hi {{ user_display_name }},
-{{ summary_text }}
+{{ summary_text|replace("%app%", "Vector") }}
{% for room in rooms %}
{% include 'room.txt' with context %}
diff --git a/res/templates/notif_mail.html b/res/templates/notif_mail.html
index cc3573e65a5626c9e4b058402e266e7fc9d1b747..0290fdea012c29f73face085f328d0cd09d2a08a 100644
--- a/res/templates/notif_mail.html
+++ b/res/templates/notif_mail.html
@@ -8,7 +8,7 @@
<body>
<div id="page">
<div className="salutation">Hi {{ user_display_name }},</div>
- <div className="summarytext">{{ summary_text }}</div>
+ <div className="summarytext">{{ summary_text|replace("%app%", "Matrix") }}</div>
<div class="content">
{% for room in rooms %}
{% include 'room.html' with context %}
diff --git a/res/templates/notif_mail.txt b/res/templates/notif_mail.txt
index 24843042a540bb07f83efb56fdb9c925776072f1..5d5a8442f9fa862349f6dd6ae9f548f55c13968c 100644
--- a/res/templates/notif_mail.txt
+++ b/res/templates/notif_mail.txt
@@ -1,6 +1,6 @@
Hi {{ user_display_name }},
-{{ summary_text }}
+{{ summary_text|replace("%app%", "Matrix") }}
{% for room in rooms %}
{% include 'room.txt' with context %}