diff --git a/src/libs/ui/docsetsdialog.cpp b/src/libs/ui/docsetsdialog.cpp
index e550986..5195454 100644
--- a/src/libs/ui/docsetsdialog.cpp
+++ b/src/libs/ui/docsetsdialog.cpp
@@ -359,7 +359,7 @@ void DocsetsDialog::downloadCompleted()
 
         QTemporaryFile *tmpFile = m_tmpFiles[docsetName];
         if (!tmpFile) {
-            tmpFile = new QTemporaryFile(this);
+            tmpFile = new QTemporaryFile(QStringLiteral("%1/%2.XXXXXX.tmp").arg(Core::Application::cacheLocation(), docsetName), this);
             tmpFile->open();
             m_tmpFiles.insert(docsetName, tmpFile);
         }
@@ -402,7 +402,7 @@ void DocsetsDialog::downloadProgress(qint64 received, qint64 total)
 
         QTemporaryFile *tmpFile = m_tmpFiles[docsetName];
         if (!tmpFile) {
-            tmpFile = new QTemporaryFile(this);
+            tmpFile = new QTemporaryFile(QStringLiteral("%1/%2.XXXXXX.tmp").arg(Core::Application::cacheLocation(), docsetName), this);
             tmpFile->open();
             m_tmpFiles.insert(docsetName, tmpFile);
         }