diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7ea16107d..3831a9845 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## [1.2.23]
+
+* **fix: Use Google Drive mimeType to infer export extension**
+
 ## [1.2.22]
 
 * **feat: Add option to disable binary encoded vectors in AstraDBUploader**
diff --git a/test/unit/processes/connectors/test_google_drive.py b/test/unit/processes/connectors/test_google_drive.py
new file mode 100644
index 000000000..02d7b3ab6
--- /dev/null
+++ b/test/unit/processes/connectors/test_google_drive.py
@@ -0,0 +1,32 @@
+import pytest
+
+from unstructured_ingest.data_types.file_data import FileData, SourceIdentifiers
+from unstructured_ingest.processes.connectors.google_drive import CONNECTOR_TYPE, _get_extension
+
+
+@pytest.mark.parametrize(
+    ("mime_type", "expected_extension"),
+    [
+        ("application/vnd.google-apps.document", ".docx"),
+        ("application/vnd.google-apps.spreadsheet", ".xlsx"),
+        ("application/vnd.google-apps.presentation", ".pptx"),
+    ],
+)
+def test_get_extension_for_google_workspace_files(mime_type: str, expected_extension: str):
+    file_data = FileData(
+        connector_type=CONNECTOR_TYPE,
+        identifier="test-id",
+        source_identifiers=SourceIdentifiers(filename="file", fullpath="file"),
+        additional_metadata={"mimeType": mime_type},
+    )
+    assert _get_extension(file_data) == expected_extension
+
+
+def test_get_extension_returns_empty_for_unknown_mime_type():
+    file_data = FileData(
+        connector_type=CONNECTOR_TYPE,
+        identifier="test-id",
+        source_identifiers=SourceIdentifiers(filename="file", fullpath="file"),
+        additional_metadata={"mimeType": "application/pdf"},
+    )
+    assert _get_extension(file_data) == ""
diff --git a/unstructured_ingest/__version__.py b/unstructured_ingest/__version__.py
index bc4ce739e..ff279748b 100644
--- a/unstructured_ingest/__version__.py
+++ b/unstructured_ingest/__version__.py
@@ -1 +1 @@
-__version__ = "1.2.22"  # pragma: no cover
+__version__ = "1.2.23"  # pragma: no cover
diff --git a/unstructured_ingest/processes/connectors/google_drive.py b/unstructured_ingest/processes/connectors/google_drive.py
index 942299f3e..01e7b7e21 100644
--- a/unstructured_ingest/processes/connectors/google_drive.py
+++ b/unstructured_ingest/processes/connectors/google_drive.py
@@ -491,7 +491,7 @@ def _get_extension(file_data: FileData) -> str:
     """
     Returns the extension for a given source MIME type.
     """
-    source_mime_type = file_data.additional_metadata.get("export_mime_type", "")
+    source_mime_type = file_data.additional_metadata.get("mimeType", "")
     export_mime_type = GOOGLE_EXPORT_MIME_MAP.get(source_mime_type, "")
     if export_mime_type:
         return EXPORT_EXTENSION_MAP.get(export_mime_type, "")