diff --git a/ggml/src/ggml-vulkan/ggml-vulkan.cpp b/ggml/src/ggml-vulkan/ggml-vulkan.cpp
index 74c339930..2b22efdfd 100644
--- a/ggml/src/ggml-vulkan/ggml-vulkan.cpp
+++ b/ggml/src/ggml-vulkan/ggml-vulkan.cpp
@@ -13579,6 +13579,8 @@ static void ggml_vk_concat(ggml_backend_vk_context * ctx, vk_context& subctx, co
         const uint32_t ts = ggml_type_size(s->type);
         return s->nb[1] == ts                                              // dim1 innermost
             && s->nb[0] == (size_t) s->ne[1] * ts                          // consistent 2D transpose
+            && s->ne[0] >= 32                                              // at least one full transpose tile (TILE_DIM); at 1 token the
+                                                                           // tiled path is pure overhead, the generic copy is faster
             && s->ne[2] == 1 && s->ne[3] == 1;
     };
     const uint32_t dst_ts = ggml_type_size(dst->type);