diff --git a/utils/convert-bitnet-embedding-to-gguf.py b/utils/convert-bitnet-embedding-to-gguf.py
index 3a9e48924..fe479d25f 100644
--- a/utils/convert-bitnet-embedding-to-gguf.py
+++ b/utils/convert-bitnet-embedding-to-gguf.py
@@ -535,7 +535,7 @@ def main():
     elif args.outtype == "f16":
         ftype = 1  # GGML F16
     else:  # i2_s
-        ftype = 40  # LLAMA_FTYPE_MOSTLY_I2_S
+        ftype = 41  # LLAMA_FTYPE_MOSTLY_I2_S
 
     logger.info(f"Converting {dir_model.name} (arch={arch}) to GGUF ({args.outtype})")
 
diff --git a/utils/convert-hf-to-gguf-bitnet.py b/utils/convert-hf-to-gguf-bitnet.py
index b11e831b9..3d3e795a9 100644
--- a/utils/convert-hf-to-gguf-bitnet.py
+++ b/utils/convert-hf-to-gguf-bitnet.py
@@ -156,7 +156,7 @@ def set_gguf_parameters(self):
         # Map ggml tensor type to llama ftype for general.file_type metadata
         ftype_val = self.ftype
         if self.ftype == gguf.GGMLQuantizationType.I2_S:
-            ftype_val = 40  # LLAMA_FTYPE_MOSTLY_I2_S (matches official model)
+            ftype_val = 41  # LLAMA_FTYPE_MOSTLY_I2_S
         self.gguf_writer.add_file_type(ftype_val)
         logger.info(f"gguf: file type = {ftype_val}")