diff --git a/gguf-py/gguf/constants.py b/gguf-py/gguf/constants.py
index 326ccdb071a79..ba9185010ee00 100644
--- a/gguf-py/gguf/constants.py
+++ b/gguf-py/gguf/constants.py
@@ -532,7 +532,7 @@ class MODEL_TENSOR(IntEnum):
     MODEL_ARCH.QWEN2MOE:         "qwen2moe",
     MODEL_ARCH.QWEN2VL:          "qwen2vl",
     MODEL_ARCH.QWEN3:            "qwen3",
-    MODEL_ARCH.QWEN3MOE:         "qwen3moe",
+    MODEL_ARCH.QWEN3MOE:         "qwen3_moe",
     MODEL_ARCH.PHI2:             "phi2",
     MODEL_ARCH.PHI3:             "phi3",
     MODEL_ARCH.PHIMOE:           "phimoe",