diff --git a/src/sql/kernel/qsqlresult.cpp b/src/sql/kernel/qsqlresult.cpp
index 24ca1ffeda..5b440d704b 100644
--- a/src/sql/kernel/qsqlresult.cpp
+++ b/src/sql/kernel/qsqlresult.cpp
@@ -112,6 +112,13 @@ QString QSqlResultPrivate::positionalToNamedBinding(const QString &query) const
 
 QString QSqlResultPrivate::namedToPositionalBinding(const QString &query)
 {
+    // In the Interbase case if it is an EXECUTE BLOCK then it is up to the
+    // caller to make sure that it is not using named bindings for the wrong
+    // parts of the query since Interbase uses them literally
+    if (sqldriver->dbmsType() == QSqlDriver::Interbase &&
+        query.trimmed().startsWith(QLatin1String("EXECUTE BLOCK"), Qt::CaseInsensitive))
+        return query;
+
     int n = query.size();
 
     QString result;
diff --git a/tests/auto/sql/kernel/qsqlquery/tst_qsqlquery.cpp b/tests/auto/sql/kernel/qsqlquery/tst_qsqlquery.cpp
index 30c2f9ac62..322c1b3b84 100644
--- a/tests/auto/sql/kernel/qsqlquery/tst_qsqlquery.cpp
+++ b/tests/auto/sql/kernel/qsqlquery/tst_qsqlquery.cpp
@@ -184,6 +184,8 @@ private slots:
     void sqliteVirtualTable();
     void mysql_timeType_data() { generic_data("QMYSQL"); }
     void mysql_timeType();
+    void ibase_executeBlock_data() { generic_data("QIBASE"); }
+    void ibase_executeBlock();
 
     void task_217003_data() { generic_data(); }
     void task_217003();
@@ -4797,5 +4799,25 @@ void tst_QSqlQuery::ibaseArray()
     QCOMPARE(qry.value(3).toList(), boolArray.toList());
 }
 
+void tst_QSqlQuery::ibase_executeBlock()
+{
+    QFETCH(QString, dbName);
+    QSqlDatabase db = QSqlDatabase::database(dbName);
+    CHECK_DATABASE(db);
+    QSqlQuery qry(db);
+    QVERIFY_SQL(qry, prepare("execute block (x double precision = ?, y double precision = ?) "
+                             "returns (total double precision) "
+                             "as "
+                             "begin "
+                             "total = :x + :y; "
+                             "suspend; "
+                             "end"));
+    qry.bindValue(0, 2);
+    qry.bindValue(1, 2);
+    QVERIFY_SQL(qry, exec());
+    QVERIFY(qry.next());
+    QCOMPARE(qry.value(0).toInt(), 4);
+}
+
 QTEST_MAIN( tst_QSqlQuery )
 #include "tst_qsqlquery.moc"