diff --git a/src/plugins/sqldrivers/ibase/qsql_ibase.cpp b/src/plugins/sqldrivers/ibase/qsql_ibase.cpp
index 6df7aa95074..b50bfa41de0 100644
--- a/src/plugins/sqldrivers/ibase/qsql_ibase.cpp
+++ b/src/plugins/sqldrivers/ibase/qsql_ibase.cpp
@@ -199,6 +199,10 @@ static QMetaType::Type qIBaseTypeName2(int iType, bool hasScale)
         return (hasScale ? QMetaType::Double : QMetaType::Int);
     case SQL_INT64:
         return (hasScale ? QMetaType::Double : QMetaType::LongLong);
+#ifdef IBASE_INT128_SUPPORTED
+    case SQL_INT128:
+        return (hasScale ? QMetaType::Double : QMetaType::LongLong);
+#endif
     case SQL_FLOAT:
     case SQL_DOUBLE:
         return QMetaType::Double;
diff --git a/tests/auto/sql/kernel/qsqlquery/tst_qsqlquery.cpp b/tests/auto/sql/kernel/qsqlquery/tst_qsqlquery.cpp
index 92bedfab06e..89033c30e03 100644
--- a/tests/auto/sql/kernel/qsqlquery/tst_qsqlquery.cpp
+++ b/tests/auto/sql/kernel/qsqlquery/tst_qsqlquery.cpp
@@ -5063,8 +5063,8 @@ void tst_QSqlQuery::ibaseInt128()
         QCOMPARE(q2.value(0).metaType().id(), QMetaType::Double);
         QCOMPARE(q2.value(0).toDouble(), 40001.1234);
         QVERIFY_SQL(q2, next());
-        QCOMPARE(q2.value(0).metaType().id(), QMetaType::Double);
-        QCOMPARE(q2.value(0).toDouble(), 12345.6789);
+        QCOMPARE(q2.value("price").metaType().id(), QMetaType::Double);
+        QCOMPARE(q2.value("price").toDouble(), 12345.6789);
         QVERIFY_SQL(q2, exec("SELECT sum(price) FROM " + ts.tableName()));
         QVERIFY_SQL(q2, next());
         QCOMPARE(q2.value(0).metaType().id(), QMetaType::Double);
@@ -5078,8 +5078,8 @@ void tst_QSqlQuery::ibaseInt128()
         QCOMPARE(q2.value(0).metaType().id(), QMetaType::QString);
         QCOMPARE(q2.value(0).toString(), "40001.1234");
         QVERIFY_SQL(q2, next());
-        QCOMPARE(q2.value(0).metaType().id(), QMetaType::QString);
-        QCOMPARE(q2.value(0).toString(), "12345.6789");
+        QCOMPARE(q2.value("price").metaType().id(), QMetaType::QString);
+        QCOMPARE(q2.value("price").toString(), "12345.6789");
         QVERIFY_SQL(q2, exec("SELECT sum(price) FROM " + ts.tableName()));
         QVERIFY_SQL(q2, next());
         QCOMPARE(q2.value(0).metaType().id(), QMetaType::QString);