diff --git a/src/dbus/qdbusutil_p.h b/src/dbus/qdbusutil_p.h
index 931a374ad91..2f187687b86 100644
--- a/src/dbus/qdbusutil_p.h
+++ b/src/dbus/qdbusutil_p.h
@@ -69,17 +69,17 @@ namespace Q_DBUS_NO_EXPORT QDBusUtil
     Q_DBUS_EXPORT bool isValidInterfaceName(const QString &ifaceName);
 
     Q_DBUS_EXPORT bool isValidUniqueConnectionName(const QStringRef &busName);
-    bool inline isValidUniqueConnectionName(const QString &busName) { return isValidUniqueConnectionName(QStringRef(&busName)); }
+    inline bool isValidUniqueConnectionName(const QString &busName) { return isValidUniqueConnectionName(QStringRef(&busName)); }
 
     Q_DBUS_EXPORT bool isValidBusName(const QString &busName);
 
     Q_DBUS_EXPORT bool isValidMemberName(const QStringRef &memberName);
-    bool inline isValidMemberName(const QString &memberName) { return isValidMemberName(QStringRef(&memberName)); }
+    inline bool isValidMemberName(const QString &memberName) { return isValidMemberName(QStringRef(&memberName)); }
 
     Q_DBUS_EXPORT bool isValidErrorName(const QString &errorName);
 
     Q_DBUS_EXPORT bool isValidPartOfObjectPath(const QStringRef &path);
-    bool inline isValidPartOfObjectPath(const QString &path) { return isValidPartOfObjectPath(QStringRef(&path)); }
+    inline bool isValidPartOfObjectPath(const QString &path) { return isValidPartOfObjectPath(QStringRef(&path)); }
 
     Q_DBUS_EXPORT bool isValidObjectPath(const QString &path);