diff --git a/backends/llamacpp/src/backend.rs b/backends/llamacpp/src/backend.rs
index 2ad0e491..f95157f5 100644
--- a/backends/llamacpp/src/backend.rs
+++ b/backends/llamacpp/src/backend.rs
@@ -474,19 +474,21 @@ impl LlamacppBackend {
                             continue;
                         },
                     };
+                    let last_pos = request.input_ids.len() - 1;
+
                     for (pos, &token_id) in request.input_ids.iter().enumerate() {
                         llamacpp.batch_push(
                             token_id as bindings::llama_token,
                             pos      as bindings::llama_pos,
                             seq_id   as bindings::llama_seq_id,
-                            true,   // TODO
+                            pos == last_pos, // check samplers
                         );
                     }
                     seqs.push(LlamacppSeq {
                         id: seq_id,
                         batch_pos: llamacpp.batch.n_tokens as usize - 1,
                         token: -1,
-                        pos: request.input_ids.len() as _,
+                        pos: last_pos as bindings::llama_pos + 1,
                         sampler: sampler,
                         text: String::with_capacity(1024),
                         n_new_tokens: 0,