diff --git a/core/impl/src/main/java/com/blazebit/persistence/impl/AbstractUpdateCollectionCriteriaBuilder.java b/core/impl/src/main/java/com/blazebit/persistence/impl/AbstractUpdateCollectionCriteriaBuilder.java
index 5c1aea341b..a3e0017e0d 100644
--- a/core/impl/src/main/java/com/blazebit/persistence/impl/AbstractUpdateCollectionCriteriaBuilder.java
+++ b/core/impl/src/main/java/com/blazebit/persistence/impl/AbstractUpdateCollectionCriteriaBuilder.java
@@ -316,7 +316,6 @@ private <R> QuerySpecification getQuerySpecification(Query baseQuery, Query exam
                     returningAttributeBindingMap,
                     getUpdateExampleQuery(),
                     updateSql,
-                    discriminatorPredicate,
                     setExpressionContainingUpdateQueries,
                     columnOnlyRemappings,
                     columnExpressionRemappings
@@ -337,7 +336,6 @@ private <R> QuerySpecification getQuerySpecification(Query baseQuery, Query exam
                     returningAttributeBindingMap,
                     getUpdateExampleQuery(),
                     updateSql,
-                    discriminatorPredicate,
                     setExpressionContainingUpdateQueries,
                     columnOnlyRemappings,
                     columnExpressionRemappings,
diff --git a/core/impl/src/main/java/com/blazebit/persistence/impl/query/CollectionUpdateModificationQuerySpecification.java b/core/impl/src/main/java/com/blazebit/persistence/impl/query/CollectionUpdateModificationQuerySpecification.java
index 2c59ccce47..9f32fefc7d 100644
--- a/core/impl/src/main/java/com/blazebit/persistence/impl/query/CollectionUpdateModificationQuerySpecification.java
+++ b/core/impl/src/main/java/com/blazebit/persistence/impl/query/CollectionUpdateModificationQuerySpecification.java
@@ -39,17 +39,15 @@ public class CollectionUpdateModificationQuerySpecification<T> extends Modificat
 
     private final Query updateExampleQuery;
     private final String updateSql;
-    private final String discriminatorPredicate;
     private final List<Query> setExpressionContainingUpdateQueries;
     private final Map<String, String> columnOnlyRemappings;
     private final Map<String, String> columnExpressionRemappings;
 
     public CollectionUpdateModificationQuerySpecification(AbstractCommonQueryBuilder<?, ?, ?, ?, ?> commonQueryBuilder, Query baseQuery, Query exampleQuery, Set<Parameter<?>> parameters, Set<String> parameterListNames, boolean recursive, List<CTENode> ctes, boolean shouldRenderCteNodes, boolean isEmbedded, String[] returningColumns,
-                                                          Map<DbmsModificationState, String> includedModificationStates, Map<String, String> returningAttributeBindingMap, Query updateExampleQuery, String updateSql, String discriminatorPredicate, List<Query> setExpressionContainingUpdateQueries, Map<String, String> columnOnlyRemappings, Map<String, String> columnExpressionRemappings) {
+                                                          Map<DbmsModificationState, String> includedModificationStates, Map<String, String> returningAttributeBindingMap, Query updateExampleQuery, String updateSql, List<Query> setExpressionContainingUpdateQueries, Map<String, String> columnOnlyRemappings, Map<String, String> columnExpressionRemappings) {
         super(commonQueryBuilder, baseQuery, exampleQuery, parameters, parameterListNames, recursive, ctes, shouldRenderCteNodes, isEmbedded, returningColumns, includedModificationStates, returningAttributeBindingMap);
         this.updateExampleQuery = updateExampleQuery;
         this.updateSql = updateSql;
-        this.discriminatorPredicate = discriminatorPredicate;
         this.setExpressionContainingUpdateQueries = setExpressionContainingUpdateQueries;
         this.columnOnlyRemappings = columnOnlyRemappings;
         this.columnExpressionRemappings = columnExpressionRemappings;
@@ -70,7 +68,7 @@ protected void initialize() {
         for (Query updateQuery : setExpressionContainingUpdateQueries) {
             participatingQueries.add(updateQuery);
             String setExpressionSql = extendedQuerySupport.getSql(em, updateQuery);
-            int assignIndex = SqlUtils.indexOfWhere(setExpressionSql) + " where ".length() + discriminatorPredicate.length();
+            int assignIndex = SqlUtils.indexOfWhere(setExpressionSql) + " where ".length();
             // TODO: fix this for row values/embeddables which might have parenthesis around or use OR
             int columnOnlyRemappingStartIndex = setClauseSqlSb.length();
             int columnOnlyRemappingEndIndex = columnOnlyRemappingStartIndex + (setExpressionSql.indexOf('=', assignIndex) - assignIndex);
diff --git a/core/impl/src/main/java/com/blazebit/persistence/impl/query/ReturningCollectionUpdateModificationQuerySpecification.java b/core/impl/src/main/java/com/blazebit/persistence/impl/query/ReturningCollectionUpdateModificationQuerySpecification.java
index 4e4814fddf..cac320e5e1 100644
--- a/core/impl/src/main/java/com/blazebit/persistence/impl/query/ReturningCollectionUpdateModificationQuerySpecification.java
+++ b/core/impl/src/main/java/com/blazebit/persistence/impl/query/ReturningCollectionUpdateModificationQuerySpecification.java
@@ -40,9 +40,9 @@ public class ReturningCollectionUpdateModificationQuerySpecification<T> extends
     private final ReturningObjectBuilder<T> objectBuilder;
 
     public ReturningCollectionUpdateModificationQuerySpecification(AbstractCommonQueryBuilder<?, ?, ?, ?, ?> commonQueryBuilder, Query baseQuery, Query exampleQuery, Set<Parameter<?>> parameters, Set<String> parameterListNames, boolean recursive, List<CTENode> ctes, boolean shouldRenderCteNodes,
-                                                                   boolean isEmbedded, String[] returningColumns, Map<DbmsModificationState, String> includedModificationStates, Map<String, String> returningAttributeBindingMap, Query updateExampleQuery, String updateSql, String discriminatorPredicate, List<Query> setExpressionContainingUpdateQueries,
+                                                                   boolean isEmbedded, String[] returningColumns, Map<DbmsModificationState, String> includedModificationStates, Map<String, String> returningAttributeBindingMap, Query updateExampleQuery, String updateSql, List<Query> setExpressionContainingUpdateQueries,
                                                                    Map<String, String> columnOnlyRemappings, Map<String, String> columnExpressionRemappings, ReturningObjectBuilder<T> objectBuilder) {
-        super(commonQueryBuilder, baseQuery, exampleQuery, parameters, parameterListNames, recursive, ctes, shouldRenderCteNodes, isEmbedded, returningColumns, includedModificationStates, returningAttributeBindingMap, updateExampleQuery, updateSql, discriminatorPredicate, setExpressionContainingUpdateQueries, columnOnlyRemappings, columnExpressionRemappings);
+        super(commonQueryBuilder, baseQuery, exampleQuery, parameters, parameterListNames, recursive, ctes, shouldRenderCteNodes, isEmbedded, returningColumns, includedModificationStates, returningAttributeBindingMap, updateExampleQuery, updateSql, setExpressionContainingUpdateQueries, columnOnlyRemappings, columnExpressionRemappings);
         this.objectBuilder = objectBuilder;
     }