diff --git a/bindings/matrix-sdk-ffi/src/widget.rs b/bindings/matrix-sdk-ffi/src/widget.rs
index ff2a77e93d6..0d5e2bb8336 100644
--- a/bindings/matrix-sdk-ffi/src/widget.rs
+++ b/bindings/matrix-sdk-ffi/src/widget.rs
@@ -321,7 +321,11 @@ pub fn get_element_call_required_permissions(
             event_type: "org.matrix.rageshake_request".to_owned(),
         },
         // To read and send encryption keys
+        WidgetEventFilter::ToDeviceWithType {
+            event_type: "io.element.call.encryption_keys".to_owned(),
+        },
         // TODO change this to the appropriate to-device version once ready
+        // remove this once all matrixRTC call apps supports to-device encryption.
         WidgetEventFilter::MessageLikeWithType {
             event_type: "io.element.call.encryption_keys".to_owned(),
         },