diff --git a/crates/matrix-sdk-crypto-ffi/src/machine.rs b/crates/matrix-sdk-crypto-ffi/src/machine.rs
index fbd01ee4f..e87a971ba 100644
--- a/crates/matrix-sdk-crypto-ffi/src/machine.rs
+++ b/crates/matrix-sdk-crypto-ffi/src/machine.rs
@@ -32,7 +32,7 @@ use ruma::{
     },
     events::{
         key::verification::VerificationMethod, room::encrypted::OriginalSyncRoomEncryptedEvent,
-        AnyMessageLikeEventContent, AnySyncMessageLikeEvent, EventContent,
+        AnySyncMessageLikeEvent,
     },
     DeviceKeyAlgorithm, EventId, OwnedTransactionId, OwnedUserId, RoomId, UserId,
 };
@@ -518,12 +518,11 @@ impl OlmMachine {
         content: &str,
     ) -> Result<String, CryptoStoreError> {
         let room_id = RoomId::parse(room_id)?;
-        let content: Box<RawValue> = serde_json::from_str(content)?;
+        let content: Value = serde_json::from_str(content)?;
 
-        let content = AnyMessageLikeEventContent::from_parts(event_type, &content)?;
         let encrypted_content = self
             .runtime
-            .block_on(self.inner.encrypt_room_event(&room_id, content))
+            .block_on(self.inner.encrypt_room_event_raw(&room_id, content, event_type))
             .expect("Encrypting an event produced an error");
 
         Ok(serde_json::to_string(&encrypted_content)?)