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-rw-r--r--src/dbus/qdbusmarshaller.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/dbus/qdbusmarshaller.cpp b/src/dbus/qdbusmarshaller.cpp
index b2ed2586fb..d1f1a41ab0 100644
--- a/src/dbus/qdbusmarshaller.cpp
+++ b/src/dbus/qdbusmarshaller.cpp
@@ -120,7 +120,7 @@ inline void QDBusMarshaller::append(const QDBusObjectPath &arg)
inline void QDBusMarshaller::append(const QDBusSignature &arg)
{
QByteArray data = arg.signature().toUtf8();
- if (!ba && data.isEmpty()) {
+ if (!ba && data.isNull()) {
error("Invalid signature passed in arguments"_L1);
} else {
const char *cdata = data.constData();