diff --git a/unsloth/models/mapper.py b/unsloth/models/mapper.py
index d15be81aec..8f5ffbb509 100644
--- a/unsloth/models/mapper.py
+++ b/unsloth/models/mapper.py
@@ -921,15 +921,15 @@ __INT_TO_FLOAT_MAPPER = \
         "unsloth/Qwen3-Coder-30B-A3B-Instruct",
         "Qwen/Qwen3-Coder-30B-A3B-Instruct",
     ),
-    "unsloth/gpt-oss-20b" : (
+    "unsloth/gpt-oss-20b-unsloth-bnb-4bit" : (
         "unsloth/gpt-oss-20b",
         "openai/gpt-oss-20b",
-        "unsloth/gpt-oss-20b",
+        "unsloth/gpt-oss-20b-unsloth-bnb-4bit",
     ),
-    "unsloth/gpt-oss-120b" : (
+    "unsloth/gpt-oss-120b-unsloth-bnb-4bit" : (
         "unsloth/gpt-oss-120b",
         "openai/gpt-oss-120b",
-        "unsloth/gpt-oss-120b",
+        "unsloth/gpt-oss-120b-unsloth-bnb-4bit",
     ),
 }