diff --git a/ggml/src/ggml.c b/ggml/src/ggml.c
index bccb62377..2e8c806c4 100644
--- a/ggml/src/ggml.c
+++ b/ggml/src/ggml.c
@@ -20239,6 +20239,7 @@ enum ggml_status ggml_graph_compute(struct ggml_cgraph * cgraph, struct ggml_cpl
             ggml_graph_compute_thread(&threadpool->workers[omp_get_thread_num()]);
         }
     } else {
+        threadpool->n_threads_cur = 1;
         ggml_graph_compute_thread(&threadpool->workers[0]);
     }
 #else