diff --git a/tutorial/hello_world/hello_world.ipynb b/tutorial/hello_world/hello_world.ipynb
index 6ba558e3..cc6e102b 100644
--- a/tutorial/hello_world/hello_world.ipynb
+++ b/tutorial/hello_world/hello_world.ipynb
@@ -177,7 +177,7 @@
     "    print('NUM_OF_DPU_RUNNERS=', os.environ['NUM_OF_DPU_RUNNERS'])\n",
     "    print('XLNX_TARGET_NAME=', os.environ['XLNX_TARGET_NAME'])\n",
     "\n",
-    "set_environment_variable(apu_type)"
+    "set_environment_variable(npu_type)"
    ]
   },
   {