diff --git a/Riot/Assets/de.lproj/Vector.strings b/Riot/Assets/de.lproj/Vector.strings
index 3949af8a0..1b4e0bddb 100644
--- a/Riot/Assets/de.lproj/Vector.strings
+++ b/Riot/Assets/de.lproj/Vector.strings
@@ -114,7 +114,6 @@
 "contacts_address_book_matrix_users_toggle" = "Nur Matrix-Nutzer";
 "contacts_address_book_no_contact" = "Keine lokalen Kontakte";
 "contacts_address_book_permission_required" = "Berechtigungen benötigt um auf lokale Kontakte zuzugreifen";
-"contacts_matrix_users_section" = "BEKANNTE KONTAKTE";
 // Chat participants
 "room_participants_title" = "Teilnehmer";
 "room_participants_add_participant" = "Teilnehmer hinzufügen";
diff --git a/Riot/Assets/fr.lproj/Vector.strings b/Riot/Assets/fr.lproj/Vector.strings
index 5cd7f3e57..4197f2a64 100644
--- a/Riot/Assets/fr.lproj/Vector.strings
+++ b/Riot/Assets/fr.lproj/Vector.strings
@@ -131,7 +131,6 @@
 "contacts_address_book_no_contact" = "Aucun contact local";
 "contacts_address_book_permission_required" = "Permissions requises pour accéder aux contacts locaux";
 "contacts_address_book_permission_denied" = "Vous n'avez pas autorisé Riot à accéder à vos contacts locaux";
-"contacts_matrix_users_section" = "CONTACTS CONNUS";
 // Chat participants
 "room_participants_title" = "Membres";
 "room_participants_add_participant" = "Ajouter un membre";
diff --git a/Riot/Assets/nl.lproj/Vector.strings b/Riot/Assets/nl.lproj/Vector.strings
index 3f6001a41..06c777f1f 100644
--- a/Riot/Assets/nl.lproj/Vector.strings
+++ b/Riot/Assets/nl.lproj/Vector.strings
@@ -161,7 +161,6 @@
 "contacts_address_book_no_contact" = "Geen lokale contacten";
 "contacts_address_book_permission_required" = "Permissie vereist voor toegang tot de lokale contacten";
 "contacts_address_book_permission_denied" = "Je hebt Riot geen toegang tot je lokale contacten toegestaan";
-"contacts_matrix_users_section" = "BEKENDE CONTACTEN";
 
 // Chat participants
 "room_participants_title" = "Deelnemers";
diff --git a/Riot/Model/Contact/ContactsDataSource.m b/Riot/Model/Contact/ContactsDataSource.m
index bab141466..a870a440b 100644
--- a/Riot/Model/Contact/ContactsDataSource.m
+++ b/Riot/Model/Contact/ContactsDataSource.m
@@ -20,7 +20,7 @@
 #import "RiotDesignValues.h"
 
 #define CONTACTSDATASOURCE_LOCALCONTACTS_BITWISE 0x01
-#define CONTACTSDATASOURCE_KNOWNCONTACTS_BITWISE 0x02
+#define CONTACTSDATASOURCE_USERDIRECTORY_BITWISE 0x02
 
 #define CONTACTSDATASOURCE_DEFAULT_SECTION_HEADER_HEIGHT 30.0
 #define CONTACTSDATASOURCE_LOCALCONTACTS_SECTION_HEADER_HEIGHT 65.0
@@ -501,7 +501,7 @@
         // Display a default cell when no local contacts is available.
         count = filteredLocalContacts.count ? filteredLocalContacts.count : 1;
     }
-    else if (section == filteredMatrixContactsSection && !(shrinkedSectionsBitMask & CONTACTSDATASOURCE_KNOWNCONTACTS_BITWISE))
+    else if (section == filteredMatrixContactsSection && !(shrinkedSectionsBitMask & CONTACTSDATASOURCE_USERDIRECTORY_BITWISE))
     {
         // Display a default cell when no contacts is available.
         count = filteredMatrixContacts.count ? filteredMatrixContacts.count : 1;
@@ -781,7 +781,7 @@
                 // This section is collapsable only if it is not empty
                 if (filteredMatrixContacts.count)
                 {
-                    sectionBitwise = CONTACTSDATASOURCE_KNOWNCONTACTS_BITWISE;
+                    sectionBitwise = CONTACTSDATASOURCE_USERDIRECTORY_BITWISE;
                 }
             }
         }
@@ -1004,7 +1004,7 @@
 {
     // Return the section header used when the section is shrinked
     NSInteger savedShrinkedSectionsBitMask = shrinkedSectionsBitMask;
-    shrinkedSectionsBitMask = CONTACTSDATASOURCE_LOCALCONTACTS_BITWISE | CONTACTSDATASOURCE_KNOWNCONTACTS_BITWISE;
+    shrinkedSectionsBitMask = CONTACTSDATASOURCE_LOCALCONTACTS_BITWISE | CONTACTSDATASOURCE_USERDIRECTORY_BITWISE;
     
     UIView *stickyHeader = [self viewForHeaderInSection:section withFrame:frame];
     
diff --git a/Riot/ViewController/ContactsTableViewController.m b/Riot/ViewController/ContactsTableViewController.m
index 921094c8e..352f83ac9 100644
--- a/Riot/ViewController/ContactsTableViewController.m
+++ b/Riot/ViewController/ContactsTableViewController.m
@@ -22,7 +22,7 @@
 #import "AppDelegate.h"
 
 #define CONTACTS_TABLEVC_LOCALCONTACTS_BITWISE 0x01
-#define CONTACTS_TABLEVC_KNOWNCONTACTS_BITWISE 0x02
+#define CONTACTS_TABLEVC_USERDIRECTORY_BITWISE 0x02
 
 #define CONTACTS_TABLEVC_DEFAULT_SECTION_HEADER_HEIGHT 30.0
 #define CONTACTS_TABLEVC_LOCALCONTACTS_SECTION_HEADER_HEIGHT 65.0