diff --git a/core/dovecot/conf/dovecot.conf b/core/dovecot/conf/dovecot.conf
index cd89af29..ea14ae33 100644
--- a/core/dovecot/conf/dovecot.conf
+++ b/core/dovecot/conf/dovecot.conf
@@ -65,6 +65,7 @@ plugin {
   fts_autoindex_exclude = \Trash
   fts_filters = normalizer-icu stopwords
   fts_filters_en = lowercase english-possessive stopwords
+  fts_filters_fr = lowercase contractions stopwords
   {% endif %}
 
   {% if COMPRESSION in [ 'gz', 'bz2', 'lz4', 'zstd' ] %}