diff --git a/src/corelib/mimetypes/qmimetype.cpp b/src/corelib/mimetypes/qmimetype.cpp
index 2c23f3175db..b69937bd556 100644
--- a/src/corelib/mimetypes/qmimetype.cpp
+++ b/src/corelib/mimetypes/qmimetype.cpp
@@ -7,6 +7,7 @@
 #include "qmimetype_p.h"
 #include "qmimedatabase_p.h"
 
+#include <QtCore/QCoreApplication>
 #include <QtCore/QDebug>
 #include <QtCore/QLocale>
 #include <QtCore/QHashFunctions>
@@ -180,40 +181,36 @@ QString QMimeType::name() const
     \property QMimeType::comment
     \brief the description of the MIME type to be displayed on user interfaces
 
-    The default language (QLocale().name()) is used to select the appropriate translation.
+    Returns a description for a MIME type, localized to the user's
+    current language settings.
 
     While this property was introduced in 5.10, the
     corresponding accessor method has always been there.
  */
 QString QMimeType::comment() const
 {
+    const auto isEnUs = [](QStringView lang) {
+        // All synonyms of en_US, according to CLDR likely subtag rules:
+        static constexpr QLatin1StringView usaIsh[] =
+                { "en_Latn_US"_L1, "en_US"_L1, "en_Latn"_L1, "en"_L1 };
+        return std::find(std::begin(usaIsh), std::end(usaIsh), lang) != std::end(usaIsh);
+    };
     const auto localeComments = QMimeDatabasePrivate::instance()->localeComments(d->name);
-
-    QStringList languageList = QLocale().uiLanguages(QLocale::TagSeparator::Underscore);
-    qsizetype defaultIndex = languageList.indexOf(u"en_US"_s);
-
-    // Include the default locale as fall-back.
-    if (defaultIndex >= 0) {
-        // en_US is generally the default, and may be omitted from the
-        // overtly-named locales in the MIME type's data (QTBUG-105007).
-        ++defaultIndex; // Skip over en_US.
-        // That's typically followed by en_Latn_US and en (in that order):
-        if (defaultIndex < languageList.size() && languageList.at(defaultIndex) == u"en_Latn_US")
-            ++defaultIndex;
-        if (defaultIndex < languageList.size() && languageList.at(defaultIndex) == u"en")
-            ++defaultIndex;
-    } else {
-        // Absent en-US, just append it:
-        defaultIndex = languageList.size();
-    }
-    languageList.insert(defaultIndex, u"default"_s);
+    const QStringList languageList = QLocale().uiLanguages(QLocale::TagSeparator::Underscore);
+    QString comment = localeComments.value(u"default"_s);
 
     for (const QString &language : std::as_const(languageList)) {
         const QString lang = language == "C"_L1 ? u"en_US"_s : language;
-        QString comm = localeComments.value(lang);
-        if (!comm.isEmpty())
-            return comm;
+        QString translated = localeComments.value(lang);
+        if (!translated.isEmpty())
+            return translated;
+        if (!comment.isEmpty() && isEnUs(lang))
+            return comment; // The default entry is assumed to be in en-US
     }
+    QString translated =
+            QCoreApplication::translate("QMimeType", comment.toUtf8().constData());
+    if (!translated.isEmpty())
+        return translated;
 
     // Use the mimetype name as fallback
     return d->name;