diff --git a/gguf-py/gguf/metadata.py b/gguf-py/gguf/metadata.py
index d18ab400e..30d0719d1 100644
--- a/gguf-py/gguf/metadata.py
+++ b/gguf-py/gguf/metadata.py
@@ -59,36 +59,36 @@ class Metadata:
         # This is based on LLM_KV_NAMES mapping in llama.cpp
         metadata_override = Metadata.load_metadata_override(metadata_override_path)
 
-        metadata.author                    = metadata_override.get(Keys.General.AUTHOR,                    metadata.author)
-        metadata.version                   = metadata_override.get(Keys.General.VERSION,                   metadata.version)
-        metadata.organization              = metadata_override.get(Keys.General.ORGANIZATION,              metadata.organization)
+        metadata.author          = metadata_override.get(Keys.General.AUTHOR,          metadata.author)
+        metadata.version         = metadata_override.get(Keys.General.VERSION,         metadata.version)
+        metadata.organization    = metadata_override.get(Keys.General.ORGANIZATION,    metadata.organization)
 
-        metadata.finetune                  = metadata_override.get(Keys.General.FINETUNE,                  metadata.finetune)
-        metadata.basename                  = metadata_override.get(Keys.General.BASENAME,                  metadata.basename)
+        metadata.finetune        = metadata_override.get(Keys.General.FINETUNE,        metadata.finetune)
+        metadata.basename        = metadata_override.get(Keys.General.BASENAME,        metadata.basename)
 
-        metadata.description               = metadata_override.get(Keys.General.DESCRIPTION,               metadata.description)
-        metadata.quantized_by              = metadata_override.get(Keys.General.QUANTIZED_BY,              metadata.quantized_by)
+        metadata.description     = metadata_override.get(Keys.General.DESCRIPTION,     metadata.description)
+        metadata.quantized_by    = metadata_override.get(Keys.General.QUANTIZED_BY,    metadata.quantized_by)
 
-        metadata.size_label                = metadata_override.get(Keys.General.SIZE_LABEL,                metadata.size_label)
-        metadata.license_name              = metadata_override.get(Keys.General.LICENSE_NAME,              metadata.license_name)
-        metadata.license_link              = metadata_override.get(Keys.General.LICENSE_LINK,              metadata.license_link)
+        metadata.size_label      = metadata_override.get(Keys.General.SIZE_LABEL,      metadata.size_label)
+        metadata.license_name    = metadata_override.get(Keys.General.LICENSE_NAME,    metadata.license_name)
+        metadata.license_link    = metadata_override.get(Keys.General.LICENSE_LINK,    metadata.license_link)
 
-        metadata.url                       = metadata_override.get(Keys.General.URL,                       metadata.url)
-        metadata.doi                       = metadata_override.get(Keys.General.DOI,                       metadata.doi)
-        metadata.uuid                      = metadata_override.get(Keys.General.UUID,                      metadata.uuid)
-        metadata.repo_url                  = metadata_override.get(Keys.General.REPO_URL,                  metadata.repo_url)
+        metadata.url             = metadata_override.get(Keys.General.URL,             metadata.url)
+        metadata.doi             = metadata_override.get(Keys.General.DOI,             metadata.doi)
+        metadata.uuid            = metadata_override.get(Keys.General.UUID,            metadata.uuid)
+        metadata.repo_url        = metadata_override.get(Keys.General.REPO_URL,        metadata.repo_url)
 
-        metadata.source_url                = metadata_override.get(Keys.General.SOURCE_URL,                metadata.source_url)
-        metadata.source_doi                = metadata_override.get(Keys.General.SOURCE_DOI,                metadata.source_doi)
-        metadata.source_uuid               = metadata_override.get(Keys.General.SOURCE_UUID,               metadata.source_uuid)
-        metadata.source_repo_url           = metadata_override.get(Keys.General.SOURCE_REPO_URL,           metadata.source_repo_url)
+        metadata.source_url      = metadata_override.get(Keys.General.SOURCE_URL,      metadata.source_url)
+        metadata.source_doi      = metadata_override.get(Keys.General.SOURCE_DOI,      metadata.source_doi)
+        metadata.source_uuid     = metadata_override.get(Keys.General.SOURCE_UUID,     metadata.source_uuid)
+        metadata.source_repo_url = metadata_override.get(Keys.General.SOURCE_REPO_URL, metadata.source_repo_url)
 
         # Base Models is received here as an array of models
-        metadata.base_models               = metadata_override.get("general.base_models",                  metadata.base_models)
+        metadata.base_models     = metadata_override.get("general.base_models",        metadata.base_models)
 
-        metadata.tags                      = metadata_override.get(Keys.General.TAGS,                      metadata.tags)
-        metadata.languages                 = metadata_override.get(Keys.General.LANGUAGES,                 metadata.languages)
-        metadata.datasets                  = metadata_override.get(Keys.General.DATASETS,                  metadata.datasets)
+        metadata.tags            = metadata_override.get(Keys.General.TAGS,            metadata.tags)
+        metadata.languages       = metadata_override.get(Keys.General.LANGUAGES,       metadata.languages)
+        metadata.datasets        = metadata_override.get(Keys.General.DATASETS,        metadata.datasets)
 
         # Direct Metadata Override (via direct cli argument)
         if model_name is not None:
@@ -115,7 +115,7 @@ class Metadata:
             return {}
 
         with open(model_card_path, "r", encoding="utf-8") as f:
-            return cast("dict[str, Any]", frontmatter.load(f))
+            return frontmatter.load(f).to_dict()
 
     @staticmethod
     def load_hf_parameters(model_path: Optional[Path] = None) -> dict[str, Any]: