diff --git a/drivers/gpu/nvgpu/gm20b/acr_gm20b.c b/drivers/gpu/nvgpu/gm20b/acr_gm20b.c
index 9f1372461..8a0be1066 100644
--- a/drivers/gpu/nvgpu/gm20b/acr_gm20b.c
+++ b/drivers/gpu/nvgpu/gm20b/acr_gm20b.c
@@ -362,7 +362,7 @@ int prepare_ucode_blob(struct gk20a *g)
 	gm20b_dbg_pmu("prepare ucode blob return 0\n");
 	free_acr_resources(g, plsfm);
  free_sgt:
-	kfree(sgt);
+	gk20a_free_sgtable(&sgt);
 	return err;
 }