diff --git a/src/plugins/beautifier/clangformat/clangformat.cpp b/src/plugins/beautifier/clangformat/clangformat.cpp
index f453d13161d..8a7d1d8c9ec 100644
--- a/src/plugins/beautifier/clangformat/clangformat.cpp
+++ b/src/plugins/beautifier/clangformat/clangformat.cpp
@@ -402,7 +402,7 @@ void ClangFormat::formatAtPosition(const int pos, const int length)
 
     const QString &text = widget->textAt(0, pos + length);
     const QStringView buffer(text);
-    QStringEncoder encoder(encoding);
+    QStringEncoder encoder(encoding.name());
     const int encodedOffset = QByteArray(encoder.encode(buffer.left(pos))).size();
     const int encodedLength = QByteArray(encoder.encode(buffer.mid(pos, length))).size();
     formatCurrentFile(textCommand(encodedOffset, encodedLength));
diff --git a/src/plugins/vcsbase/vcsbaseeditor.cpp b/src/plugins/vcsbase/vcsbaseeditor.cpp
index 65dd372af1d..35caa6b2322 100644
--- a/src/plugins/vcsbase/vcsbaseeditor.cpp
+++ b/src/plugins/vcsbase/vcsbaseeditor.cpp
@@ -1224,7 +1224,7 @@ DiffChunk VcsBaseEditorWidget::diffChunk(QTextCursor cursor) const
     }
     const TextEncoding encoding = textDocument()->encoding();
     if (encoding.isValid()) {
-        QStringEncoder encoder(encoding);
+        QStringEncoder encoder(encoding.name());
         rc.chunk = encoder.encode(unicode);
         rc.header = encoder.encode(header);
     } else {