diff --git a/source/net/yacy/cora/federate/solr/connector/AbstractSolrConnector.java b/source/net/yacy/cora/federate/solr/connector/AbstractSolrConnector.java
index abaa9ffe8..efc5e7bdc 100644
--- a/source/net/yacy/cora/federate/solr/connector/AbstractSolrConnector.java
+++ b/source/net/yacy/cora/federate/solr/connector/AbstractSolrConnector.java
@@ -288,7 +288,8 @@ public abstract class AbstractSolrConnector implements SolrConnector {
         params.setFacet(false);
         if (fields.length > 0) params.setFields(fields);
         params.setIncludeScore(false);
-        
+        params.setParam("defType", "edismax");
+        params.setParam("qf", CollectionSchema.text_t.getSolrFieldName() + "^1.0");
         return params;
     }
     
diff --git a/source/net/yacy/search/query/QueryParams.java b/source/net/yacy/search/query/QueryParams.java
index 60599232b..ae9a6354a 100644
--- a/source/net/yacy/search/query/QueryParams.java
+++ b/source/net/yacy/search/query/QueryParams.java
@@ -400,6 +400,7 @@ public final class QueryParams {
     private SolrQuery getBasicParams(boolean getFacets) {
         final SolrQuery params = new SolrQuery();
         params.setParam("defType", "edismax");
+        params.setParam("qf", CollectionSchema.text_t.getSolrFieldName() + "^1.0");
         params.setStart(this.offset);
         params.setRows(this.itemsPerPage);
         params.setFacet(false);
diff --git a/source/net/yacy/search/schema/CollectionConfiguration.java b/source/net/yacy/search/schema/CollectionConfiguration.java
index 2c6108604..519bab1b9 100644
--- a/source/net/yacy/search/schema/CollectionConfiguration.java
+++ b/source/net/yacy/search/schema/CollectionConfiguration.java
@@ -1422,17 +1422,18 @@ public class CollectionConfiguration extends SchemaConfiguration implements Seri
                         continue uniquecheck;
                     }
                     try {
-                        long doccount = segment.fulltext().getDefaultConnector().getCountByQuery(
+                        String doccountquery = 
                                 CollectionSchema.host_id_s.getSolrFieldName() + ":\"" + hostid + "\" AND " +
                                 "-" + CollectionSchema.robots_i.getSolrFieldName() + ":8 AND " + // bit 3
                                 "-" + CollectionSchema.robots_i.getSolrFieldName() + ":24 AND " + // bit 3 + 4
                                 "-" + CollectionSchema.robots_i.getSolrFieldName() + ":512 AND " + // bit 9
                                 "-" + CollectionSchema.robots_i.getSolrFieldName() + ":1536 AND " + // bit 9 + 10
-                                "(-" + CollectionSchema.canonical_equal_sku_b.getSolrFieldName() + ":[* TO *] OR " + CollectionSchema.canonical_equal_sku_b.getSolrFieldName() + ":true ) AND " +
+                                "((-" + CollectionSchema.canonical_equal_sku_b.getSolrFieldName() + ":[* TO *]) OR (" + CollectionSchema.canonical_equal_sku_b.getSolrFieldName() + ":true)) AND " +
                                 CollectionSchema.httpstatus_i.getSolrFieldName() + ":200 AND " +
                                 "-" + CollectionSchema.id.getSolrFieldName() + ":\"" + urlhash + "\" AND " +
-                                signaturefield.getSolrFieldName() + ":\"" + signature.toString() + "\"");
-                        sid.setField(uniquefield.getSolrFieldName(), doccount == 0);
+                                signaturefield.getSolrFieldName() + ":\"" + signature.toString() + "\"";
+                        long doccount = segment.fulltext().getDefaultConnector().getCountByQuery(doccountquery);
+                        sid.setField(uniquefield.getSolrFieldName(), doccount  == 0);
                     } catch (final IOException e) {}
                 }
             }