diff --git a/src/libsync/propagateuploadng.cpp b/src/libsync/propagateuploadng.cpp
index d8219b759e13a..dac82eef035d8 100644
--- a/src/libsync/propagateuploadng.cpp
+++ b/src/libsync/propagateuploadng.cpp
@@ -82,7 +82,7 @@ QByteArray PropagateUploadFileNG::destinationHeader() const
     const auto davUrl = Utility::trailingSlashPath(propagator()->account()->davUrl().toString());
     const auto remotePath = Utility::noLeadingSlashPath(propagator()->fullRemotePath(_fileToUpload._file));
     const auto destination = QString(davUrl + remotePath);
-    return destination.toUtf8();
+    return QUrl::toPercentEncoding(destination, "/");
 }
 
 void PropagateUploadFileNG::doStartUpload()
diff --git a/test/testchunkingng.cpp b/test/testchunkingng.cpp
index 1a3c0160a0943..636729bf71294 100644
--- a/test/testchunkingng.cpp
+++ b/test/testchunkingng.cpp
@@ -127,6 +127,32 @@ private slots:
         QCOMPARE(fakeFolder.uploadState().children.count(), 2); // the transfer was done with chunking
     }
 
+    void testDestinationHeaderPercentEncoding()
+    {
+        FakeFolder fakeFolder{FileInfo::A12_B12_C12_S12()};
+        fakeFolder.syncEngine().account()->setCapabilities({ { "dav", QVariantMap{ {"chunking", "1.0"} } } });
+        setChunkSize(fakeFolder.syncEngine(), 1 * 1000 * 1000);
+
+        QByteArray destinationHeader;
+        fakeFolder.setServerOverride([&destinationHeader](QNetworkAccessManager::Operation, const QNetworkRequest &request, QIODevice *) -> QNetworkReply * {
+            if (destinationHeader.isEmpty() && request.hasRawHeader("Destination")) {
+                destinationHeader = request.rawHeader("Destination");
+            }
+            return nullptr;
+        });
+
+        const QString filePath = QStringLiteral("A/SQ-0.5%BF-150/a0");
+        const int size = 2 * 1000 * 1000; // 2 MB
+
+        fakeFolder.localModifier().mkdir(QStringLiteral("A/SQ-0.5%BF-150"));
+        fakeFolder.localModifier().insert(filePath, size);
+        QVERIFY(fakeFolder.syncOnce());
+        QVERIFY(!destinationHeader.isEmpty());
+        QVERIFY(destinationHeader.contains("SQ-0.5%25BF-150"));
+        QVERIFY(destinationHeader.contains("/A/SQ-0.5%25BF-150/"));
+        QVERIFY(!destinationHeader.contains("%2F"));
+    }
+
     // Test resuming when there's a confusing chunk added
     void testResume1() {
         FakeFolder fakeFolder{FileInfo::A12_B12_C12_S12()};