diff --git a/openedx/core/djangoapps/content_libraries/tests/test_static_assets.py b/openedx/core/djangoapps/content_libraries/tests/test_static_assets.py
index 69f5cd2d797..91d9556b01f 100644
--- a/openedx/core/djangoapps/content_libraries/tests/test_static_assets.py
+++ b/openedx/core/djangoapps/content_libraries/tests/test_static_assets.py
@@ -63,6 +63,13 @@ def test_asset_filenames(self):
         file_name = "a////////b"
         self._set_library_block_asset(block_id, file_name, SVG_DATA, expect_response=400)
 
+        # Names with spaces are allowed but replaced with underscores
+        file_name_with_space = "o w o.svg"
+        self._set_library_block_asset(block_id, file_name_with_space, SVG_DATA)
+        file_name = "o_w_o.svg"
+        assert self._get_library_block_asset(block_id, file_name)['path'] == file_name
+        assert self._get_library_block_asset(block_id, file_name)['size'] == file_size
+
     def test_video_transcripts(self):
         """
         Test that video blocks can read transcript files out of learning core.