diff --git a/src/gui/creds/oauth.cpp b/src/gui/creds/oauth.cpp
index 31771d388..2c0e20410 100644
--- a/src/gui/creds/oauth.cpp
+++ b/src/gui/creds/oauth.cpp
@@ -114,7 +114,7 @@ void OAuth::start()
                             errorReason = tr("Error returned from the server: <em>%1</em>")
                                               .arg(errorFromJson.toHtmlEscaped());
                         } else if (reply->error() != QNetworkReply::NoError) {
-                            errorReason = tr("There was an error accessing the 'token' endpoint: <br><em>%1</em>")
+                            errorReason = tr("There was an error accessing the \"token\" endpoint: <br><em>%1</em>")
                                               .arg(reply->errorString().toHtmlEscaped());
                         } else if (jsonData.isEmpty()) {
                             // Can happen if a funky load balancer strips away POST data, e.g. BigIP APM my.policy
diff --git a/src/gui/folderstatusmodel.cpp b/src/gui/folderstatusmodel.cpp
index d66378a16..73243d074 100644
--- a/src/gui/folderstatusmodel.cpp
+++ b/src/gui/folderstatusmodel.cpp
@@ -1016,10 +1016,10 @@ void FolderStatusModel::slotSetProgress(const ProgressInfo &progress)
         auto fileName = QFileInfo(citm._item._file).fileName();
         if (allFilenames.length() > 0) {
             //: Build a list of file names
-            allFilenames.append(tr(", '%1'").arg(fileName));
+            allFilenames.append(QStringLiteral(", '%1'").arg(fileName));
         } else {
             //: Argument is a file name
-            allFilenames.append(tr("'%1'").arg(fileName));
+            allFilenames.append(QStringLiteral("'%1'").arg(fileName));
         }
     }
     if (curItemProgress == -1) {
diff --git a/src/gui/main.cpp b/src/gui/main.cpp
index ba4aaa76b..8246528cd 100644
--- a/src/gui/main.cpp
+++ b/src/gui/main.cpp
@@ -45,7 +45,7 @@ void warnSystray()
         qApp->translate("main.cpp", "%1 requires on a working system tray. "
                                     "If you are running XFCE, please follow "
                                     "<a href=\"http://docs.xfce.org/xfce/xfce4-panel/systray\">these instructions</a>. "
-                                    "Otherwise, please install a system tray application such as 'trayer' and try again.")
+                                    "Otherwise, please install a system tray application such as \"trayer\" and try again.")
             .arg(Theme::instance()->appNameGUI()));
 }