diff --git a/Riot/Modules/MatrixKit/Models/Account/MXKAccount.m b/Riot/Modules/MatrixKit/Models/Account/MXKAccount.m
index b67c5b78b..8b297e221 100644
--- a/Riot/Modules/MatrixKit/Models/Account/MXKAccount.m
+++ b/Riot/Modules/MatrixKit/Models/Account/MXKAccount.m
@@ -998,7 +998,11 @@ -(void)openSessionWithStore:(id<MXStore>)store
         // Enable the antivirus scanner in the current session.
         [mxSession setAntivirusServerURL:_antivirusServerURL];
     }
-
+    // Tchap: else hard code antivirus server URL with homeServer URL like in Tchap Android.
+    else {
+        [mxSession setAntivirusServerURL:self.mxCredentials.homeServer];
+    }
+    
     // Set default MXEvent -> NSString formatter
     MXKEventFormatter *eventFormatter = [[MXKEventFormatter alloc] initWithMatrixSession:self.mxSession];
     eventFormatter.isForSubtitle = YES;
diff --git a/changelog.d/887.change b/changelog.d/887.change
new file mode 100644
index 000000000..39f48c217
--- /dev/null
+++ b/changelog.d/887.change
@@ -0,0 +1 @@
+Réactivation de l'antivirus
\ No newline at end of file