diff --git a/src/calibre/ebooks/metadata/meta.py b/src/calibre/ebooks/metadata/meta.py
index b0c43a8182..3f3cc3e142 100644
--- a/src/calibre/ebooks/metadata/meta.py
+++ b/src/calibre/ebooks/metadata/meta.py
@@ -67,10 +67,6 @@ def _metadata_from_formats(formats, force_read_metadata=False, pattern=None):
 
     return mi
 
-def is_recipe(filename):
-    return filename.startswith('calibre') and \
-        filename.rpartition('.')[0].endswith('_recipe_out')
-
 def get_metadata(stream, stream_type='lrf', use_libprs_metadata=False,
                  force_read_metadata=False, pattern=None):
     pos = 0
@@ -106,7 +102,7 @@ def _get_metadata(stream, stream_type, use_libprs_metadata,
     mi = MetaInformation(None, None)
     name = os.path.basename(getattr(stream, 'name', ''))
     base = metadata_from_filename(name, pat=pattern)
-    if force_read_metadata or is_recipe(name) or prefs['read_file_metadata']:
+    if force_read_metadata or prefs['read_file_metadata']:
         mi = get_file_type_metadata(stream, stream_type)
     if base.title == os.path.splitext(name)[0] and \
             base.is_null('authors') and base.is_null('isbn'):
diff --git a/src/calibre/library/database2.py b/src/calibre/library/database2.py
index fff2d2189c..3471d93332 100644
--- a/src/calibre/library/database2.py
+++ b/src/calibre/library/database2.py
@@ -3024,7 +3024,8 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
         format = os.path.splitext(path)[1][1:].lower()
         stream = path if hasattr(path, 'read') else lopen(path, 'rb')
         stream.seek(0)
-        mi = get_metadata(stream, format, use_libprs_metadata=False)
+        mi = get_metadata(stream, format, use_libprs_metadata=False,
+                force_read_metadata=True)
         stream.seek(0)
         if mi.series_index is None:
             mi.series_index = self.get_next_series_num_for(mi.series)