diff --git a/res/templates-vector/notif_mail.txt b/res/templates-vector/notif_mail.txt
index 24843042a..dec2e5960 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 cc3573e65..0290fdea0 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 24843042a..5d5a8442f 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 %}
