2 files changed, 3 insertions, 2 deletions
diff --git a/src/plugins/sqldrivers/oci/main.cpp b/src/plugins/sqldrivers/oci/main.cpp
index 933de8f8bf..6cc0062671 100644
--- a/src/plugins/sqldrivers/oci/main.cpp
+++ b/src/plugins/sqldrivers/oci/main.cpp
@@ -17,7 +17,7 @@ class QOCIDriverPlugin : public QSqlDriverPlugin
 public:
     QOCIDriverPlugin();
 
-    QSqlDriver* create(const QString &);
+    QSqlDriver* create(const QString &) override;
 };
 
 QOCIDriverPlugin::QOCIDriverPlugin()
diff --git a/src/plugins/sqldrivers/oci/qsql_oci.cpp b/src/plugins/sqldrivers/oci/qsql_oci.cpp
index 9d2e243001..c33e7582ba 100644
--- a/src/plugins/sqldrivers/oci/qsql_oci.cpp
+++ b/src/plugins/sqldrivers/oci/qsql_oci.cpp
@@ -426,6 +426,7 @@ int QOCIResultPrivate::bindValue(OCIStmt *sql, OCIBind **hbnd, OCIError *err, in
             break;
         }
     } // fall through for OUT values
+    Q_FALLTHROUGH();
     default: {
         if (val.typeId() >= QMetaType::User) {
             if (val.canConvert<QOCIRowIdPointer>() && !isOutValue(pos)) {
@@ -2434,7 +2435,7 @@ static QString make_where_clause(const QString &user, Expression e)
         "WMSYS",
     };
     static const char joinC[][4] = { "or" , "and" };
-    static constexpr QLatin1Char bang[] = { u' ', u'!' };
+    static constexpr char16_t bang[] = { u' ', u'!' };
 
     const QLatin1StringView join(joinC[e]);