From 5002a07e71ff270a8717911b965a75c33993f883 Mon Sep 17 00:00:00 2001
From: Alexander Lohnau <alexander.lohnau@gmx.de>
Date: Fri, 8 Jul 2022 11:00:42 +0200
Subject: [PATCH] Fix thumbnailer result for parent mime types being
 overwritten

BUG: 453480
---
 src/widgets/previewjob.cpp | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/widgets/previewjob.cpp b/src/widgets/previewjob.cpp
index c53bcc88a..91be5575e 100644
--- a/src/widgets/previewjob.cpp
+++ b/src/widgets/previewjob.cpp
@@ -384,11 +384,13 @@ void PreviewJobPrivate::startPreview()
                     }
                 }
 
-                // Check the wildcards last, see BUG 453480
-                QString groupMimeType = mimeType;
-                static const QRegularExpression expr(QStringLiteral("/.*"));
-                groupMimeType.replace(expr, QStringLiteral("/*"));
-                pluginIt = mimeMap.constFind(groupMimeType);
+                if (pluginIt == mimeMap.constEnd()) {
+                    // Check the wildcards last, see BUG 453480
+                    QString groupMimeType = mimeType;
+                    static const QRegularExpression expr(QStringLiteral("/.*"));
+                    groupMimeType.replace(expr, QStringLiteral("/*"));
+                    pluginIt = mimeMap.constFind(groupMimeType);
+                }
             }
 
             if (pluginIt != mimeMap.constEnd()) {
-- 
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