diff --git a/unsloth/models/loader.py b/unsloth/models/loader.py
index 92a166f69a..c595bcd80c 100644
--- a/unsloth/models/loader.py
+++ b/unsloth/models/loader.py
@@ -500,6 +500,8 @@ class FastModel(FastBaseModel):
             raise RuntimeError("Unsloth: Qwen 2.5 only works on transformers >= 4.49.0." + LATEST)
         elif "aya-vision" in model_name.lower() and transformers_version < Version("4.50.0.dev0"):
             raise RuntimeError("Unsloth: Aya Vision only works on transformers >= 4.50.0." + NIGHTLY)
+        elif "gemma-3" in model_name.lower() and transformers_version < Version("4.50.0.dev0"):
+            raise RuntimeError("Unsloth: Gemma 3 only works on transformers >= 4.50.0." + NIGHTLY)
         pass
 
         if USE_MODELSCOPE and not os.path.exists(model_name):