diff --git a/src/gallium/drivers/iris/iris_state.c b/src/gallium/drivers/iris/iris_state.c
index 722540f7694..155ee917b7c 100644
--- a/src/gallium/drivers/iris/iris_state.c
+++ b/src/gallium/drivers/iris/iris_state.c
@@ -2474,7 +2474,7 @@ iris_upload_render_state(struct iris_context *ice,
                       (1 + cso->count * GENX(VERTEX_ELEMENT_STATE_length)));
       for (int i = 0; i < cso->count; i++) {
          iris_batch_emit(batch, cso->vf_instancing[i], sizeof(uint32_t) *
-                         (cso->count * GENX(3DSTATE_VF_INSTANCING_length)));
+                         GENX(3DSTATE_VF_INSTANCING_length));
       }
       for (int i = 0; i < cso->count; i++) {
          /* TODO: vertexid, instanceid support */