diff --git a/archivebox/extractors/singlefile.py b/archivebox/extractors/singlefile.py
index 196765d8..60ebdab6 100644
--- a/archivebox/extractors/singlefile.py
+++ b/archivebox/extractors/singlefile.py
@@ -23,7 +23,7 @@ from ..logging_util import TimedProgress
 def should_save_singlefile(link: Link, out_dir: Optional[str]=None) -> bool:
     out_dir = out_dir or link.link_dir
 
-    output = Path(out_dir or link.link_dir) / 'single-file.html'
+    output = Path(out_dir or link.link_dir) / 'singlefile.html'
     return SAVE_SINGLEFILE and (not output.exists())
 
 
@@ -32,7 +32,7 @@ def save_singlefile(link: Link, out_dir: Optional[str]=None, timeout: int=TIMEOU
     """download full site using single-file"""
 
     out_dir = out_dir or link.link_dir
-    output = str(Path(out_dir).absolute() / "single-file.html")
+    output = str(Path(out_dir).absolute() / "singlefile.html")
 
     # SingleFile CLI Docs: https://github.com/gildas-lormeau/SingleFile/tree/master/cli
     cmd = [
diff --git a/archivebox/index/schema.py b/archivebox/index/schema.py
index 09476034..2129f5d3 100644
--- a/archivebox/index/schema.py
+++ b/archivebox/index/schema.py
@@ -365,7 +365,7 @@ class Link:
             'screenshot.png',
             'output.html',
             'media',
-            'single-file.html'
+            'singlefile.html'
         )
 
         return any(
@@ -406,7 +406,7 @@ class Link:
             'google_favicon_path': 'https://www.google.com/s2/favicons?domain={}'.format(self.domain),
             'wget_path': wget_output_path(self),
             'warc_path': 'warc',
-            'singlefile_path': 'single-file.html',
+            'singlefile_path': 'singlefile.html',
             'pdf_path': 'output.pdf',
             'screenshot_path': 'screenshot.png',
             'dom_path': 'output.html',
@@ -430,4 +430,3 @@ class Link:
             })
         return canonical
 
-
diff --git a/archivebox/themes/legacy/link_details.html b/archivebox/themes/legacy/link_details.html
index 405d933c..447552ad 100644
--- a/archivebox/themes/legacy/link_details.html
+++ b/archivebox/themes/legacy/link_details.html
@@ -344,7 +344,7 @@
                                 <img src="../../static/external.png" class="external"/>
                             </a>
                             <a href="$singlefile_path" target="preview"><h4 class="card-title">SingleFile</h4></a>
-                            <p class="card-text">archive/single-file.html</p>
+                            <p class="card-text">archive/singlefile.html</p>
                           </div>
                         </div>
                     </div>
diff --git a/tests/test_extractors.py b/tests/test_extractors.py
index 9b354f08..fb02044b 100644
--- a/tests/test_extractors.py
+++ b/tests/test_extractors.py
@@ -17,5 +17,5 @@ def test_ignore_methods():
 def test_singlefile_works(tmp_path, process):
     add_process = subprocess.run(['archivebox', 'add', 'http://127.0.0.1:8080/static/example.com.html'], capture_output=True) 
     archived_item_path = list(tmp_path.glob('archive/**/*'))[0]
-    output_file = archived_item_path / "single-file.html" 
+    output_file = archived_item_path / "singlefile.html" 
     assert output_file.exists()