diff --git a/cps/comic.py b/cps/comic.py
index 907614c9..13774756 100644
--- a/cps/comic.py
+++ b/cps/comic.py
@@ -36,6 +36,12 @@ try:
         from comicapi import __version__ as comic_version
     except ImportError:
         comic_version = ''
+    try:
+        from comicapi.comicarchive import load_archive_plugins
+        import comicapi.utils
+        comicapi.utils.add_rar_paths()
+    except ImportError:
+        load_archive_plugins = None
 except (ImportError, LookupError) as e:
     log.debug('Cannot import comicapi, extracting comic metadata will not work: %s', e)
     import zipfile
@@ -88,7 +94,10 @@ def _extract_cover_from_archive(original_file_extension, tmp_file_name, rar_exec
 def _extract_cover(tmp_file_name, original_file_extension, rar_executable):
     cover_data = extension = None
     if use_comic_meta:
-        archive = ComicArchive(tmp_file_name, rar_exe_path=rar_executable)
+        try:
+            archive = ComicArchive(tmp_file_name, rar_exe_path=rar_executable)
+        except TypeError:
+            archive = ComicArchive(tmp_file_name)
         name_list = archive.getPageNameList if hasattr(archive, "getPageNameList") else archive.get_page_name_list
         for index, name in enumerate(name_list()):
             ext = os.path.splitext(name)
@@ -105,7 +114,11 @@ def _extract_cover(tmp_file_name, original_file_extension, rar_executable):
 
 def get_comic_info(tmp_file_path, original_file_name, original_file_extension, rar_executable):
     if use_comic_meta:
-        archive = ComicArchive(tmp_file_path, rar_exe_path=rar_executable)
+        try:
+            archive = ComicArchive(tmp_file_path, rar_exe_path=rar_executable)
+        except TypeError:
+            load_archive_plugins(force=True, rar=rar_executable)
+            archive = ComicArchive(tmp_file_path)
         if hasattr(archive, "seemsToBeAComicArchive"):
             seems_archive = archive.seemsToBeAComicArchive
         else:
diff --git a/cps/uploader.py b/cps/uploader.py
index 3cd7b21a..42b776aa 100644
--- a/cps/uploader.py
+++ b/cps/uploader.py
@@ -69,7 +69,7 @@ except ImportError as e:
     use_fb2_meta = False
 
 
-def process(tmp_file_path, original_file_name, original_file_extension, rarExecutable):
+def process(tmp_file_path, original_file_name, original_file_extension, rar_executable):
     meta = default_meta(tmp_file_path, original_file_name, original_file_extension)
     extension_upper = original_file_extension.upper()
     try:
@@ -83,7 +83,7 @@ def process(tmp_file_path, original_file_name, original_file_extension, rarExecu
             meta = comic.get_comic_info(tmp_file_path,
                                         original_file_name,
                                         original_file_extension,
-                                        rarExecutable)
+                                        rar_executable)
     except Exception as ex:
         log.warning('cannot parse metadata, using default: %s', ex)
 
@@ -248,7 +248,7 @@ def get_magick_version():
     return ret
 
 
-def upload(uploadfile, rarExcecutable):
+def upload(uploadfile, rar_excecutable):
     tmp_dir = os.path.join(gettempdir(), 'calibre_web')
 
     if not os.path.isdir(tmp_dir):
@@ -260,4 +260,4 @@ def upload(uploadfile, rarExcecutable):
     tmp_file_path = os.path.join(tmp_dir, md5)
     log.debug("Temporary file: %s", tmp_file_path)
     uploadfile.save(tmp_file_path)
-    return process(tmp_file_path, filename_root, file_extension, rarExcecutable)
+    return process(tmp_file_path, filename_root, file_extension, rar_excecutable)
diff --git a/optional-requirements.txt b/optional-requirements.txt
index 5714ac88..ff02d04f 100644
--- a/optional-requirements.txt
+++ b/optional-requirements.txt
@@ -38,7 +38,7 @@ faust-cchardet>=2.1.18
 
 # Comics
 natsort>=2.2.0,<8.4.0
-comicapi>=2.2.0,<2.3.0
+comicapi>=2.2.0,<3.3.0
 
 # Kobo integration
 jsonschema>=3.2.0,<4.18.0