diff --git a/vivocore/conf/schema.xml b/vivocore/conf/schema.xml
index 1f73621..856dbc3 100644
--- a/vivocore/conf/schema.xml
+++ b/vivocore/conf/schema.xml
@@ -1319,6 +1319,8 @@
     <fieldType name="text_ru_morph" class="solr.TextField" positionIncrementGap="100">
       <analyzer>
         <charFilter class="solr.HTMLStripCharFilterFactory"/>
+        <charFilter class="solr.PatternReplaceCharFilterFactory" pattern="[ё]" replacement="е"/>
+        <charFilter class="solr.PatternReplaceCharFilterFactory" pattern="[Ё]" replacement="Е"/>
         <tokenizer class="solr.StandardTokenizerFactory"/>
         <filter class="solr.LowerCaseFilterFactory"/>
         <filter class="solr.StopFilterFactory" ignoreCase="true" words="lang/stopwords_ru.txt" format="snowball" />