diff --git a/ggml-vulkan.cpp b/ggml-vulkan.cpp
index 4d4f31e77..056dd9244 100644
--- a/ggml-vulkan.cpp
+++ b/ggml-vulkan.cpp
@@ -611,8 +611,8 @@ void ggml_vk_graph_compute(struct ggml_kompute_context * ctx, struct ggml_cgraph
                     {
                         ggml_vk_gelu(seq, id_src0, offs_src0, id_dst, offs_dst, ggml_nelements(dst));
                     } break;
-                //default:
-                    //fprintf(stderr, "%s: node %3d, op = %8s not implemented\n", __func__, i, ggml_op_name(dst->op));
+                default:
+                    fprintf(stderr, "%s: node %3d, op = %8s not implemented\n", __func__, i, ggml_op_name(dst->op));
                     //GGML_ASSERT(false);
             }
         }