diff --git a/src/common/protocolinfo.cpp b/src/common/protocolinfo.cpp
index 9ba6219..c31c686 100644
--- a/src/common/protocolinfo.cpp
+++ b/src/common/protocolinfo.cpp
@@ -1,76 +1,70 @@
 /*
     SPDX-FileCopyrightText: 2010 Tobias Koenig <tokoe@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "protocolinfo.h"
 #include "davmanager_p.h"
 #include "davprotocolbase_p.h"
 #include "libkdav_debug.h"
 
 using namespace KDAV;
 
 bool ProtocolInfo::useMultiget(KDAV::Protocol protocol)
 {
     return DavManager::davProtocol(protocol)->useMultiget();
 }
 
 QString ProtocolInfo::principalHomeSet(KDAV::Protocol protocol)
 {
     return DavManager::davProtocol(protocol)->principalHomeSet();
 }
 
 QString ProtocolInfo::principalHomeSetNS(KDAV::Protocol protocol)
 {
     return DavManager::davProtocol(protocol)->principalHomeSetNS();
 }
 
-QLatin1String ProtocolInfo::protocolName(KDAV::Protocol protocol)
+QString ProtocolInfo::protocolName(KDAV::Protocol protocol)
 {
-    QLatin1String protocolName("");
-
     switch (protocol) {
     case KDAV::CalDav:
-        protocolName = QLatin1String("CalDav");
-        break;
+        return QStringLiteral("CalDav");
     case KDAV::CardDav:
-        protocolName = QLatin1String("CardDav");
-        break;
+        return QStringLiteral("CardDav");
     case KDAV::GroupDav:
-        protocolName = QLatin1String("GroupDav");
-        break;
+        return QStringLiteral("GroupDav");
     }
-
-    return protocolName;
+    return {};
 }
 
 KDAV::Protocol ProtocolInfo::protocolByName(const QString &name)
 {
     Protocol protocol = KDAV::CalDav;
 
     if (name == QLatin1String("CalDav")) {
         protocol = KDAV::CalDav;
     } else if (name == QLatin1String("CardDav")) {
         protocol = KDAV::CardDav;
     } else if (name == QLatin1String("GroupDav")) {
         protocol = KDAV::GroupDav;
     } else {
         qCCritical(KDAV_LOG) << "Unexpected protocol name : " << name;
     }
 
     return protocol;
 }
 
 QString ProtocolInfo::contactsMimeType(KDAV::Protocol protocol)
 {
     QString ret;
 
     if (protocol == KDAV::CardDav) {
         ret = QStringLiteral("text/vcard");
     } else if (protocol == KDAV::GroupDav) {
         ret = QStringLiteral("text/x-vcard");
     }
 
     return ret;
 }
diff --git a/src/common/protocolinfo.h b/src/common/protocolinfo.h
index d47de50..3426ec1 100644
--- a/src/common/protocolinfo.h
+++ b/src/common/protocolinfo.h
@@ -1,56 +1,56 @@
 /*
     SPDX-FileCopyrightText: 2019 Volker Krause <vkrause@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #ifndef KDAV_PROTOCOLINFO_H
 #define KDAV_PROTOCOLINFO_H
 
 #include "kdav_export.h"
 #include "enums.h"
 
 class QLatin1String;
 
 namespace KDAV
 {
 
 /** Information about a DAV protocol. */
 namespace ProtocolInfo
 {
     /**
      * Returns whether the @p protocol dialect supports the MULTIGET command.
      *
      * If MULTIGET is supported, the content of all dav resources
      * can be fetched in ResourceBase::retrieveItems() already and
      * there is no need to call ResourceBase::retrieveItem() for every single
      * dav resource.
      */
     KDAV_EXPORT Q_REQUIRED_RESULT bool useMultiget(KDAV::Protocol protocol);
 
     /** Returns the principal home set of @p protocol. */
     KDAV_EXPORT Q_REQUIRED_RESULT QString principalHomeSet(KDAV::Protocol protocol);
 
     /** Returns the principal home set namespace of @p protocol. */
     KDAV_EXPORT Q_REQUIRED_RESULT QString principalHomeSetNS(KDAV::Protocol protocol);
 
     /**
      * Returns the untranslated name of the given DAV @p protocol dialect.
      */
-    KDAV_EXPORT Q_REQUIRED_RESULT QLatin1String protocolName(KDAV::Protocol protocol);
+    KDAV_EXPORT Q_REQUIRED_RESULT QString protocolName(KDAV::Protocol protocol);
 
     /**
      * Returns the protocol matching the given name. This is the opposite of
      * Utils::protocolName().
      */
     KDAV_EXPORT Q_REQUIRED_RESULT KDAV::Protocol protocolByName(const QString &name);
 
     /**
      * Returns the mimetype that shall be used for contact DAV resources using @p protocol.
      */
     KDAV_EXPORT Q_REQUIRED_RESULT QString contactsMimeType(KDAV::Protocol protocol);
 }
 
 }
 
 #endif // KDAV_PROTOCOLINFO_H