1 files changed, 2 insertions, 2 deletions
diff --git a/src/widgets/dialogs/qfiledialog.cpp b/src/widgets/dialogs/qfiledialog.cpp
index 89ecaab81df..4e460026a40 100644
--- a/src/widgets/dialogs/qfiledialog.cpp
+++ b/src/widgets/dialogs/qfiledialog.cpp
@@ -3840,8 +3840,8 @@ void QFileDialogPrivate::_q_useNameFilter(int index)
         QString fileName = lineEdit()->text();
         const QString fileNameExtension = QFileInfo(fileName).suffix();
         if (!fileNameExtension.isEmpty() && !newNameFilterExtension.isEmpty()) {
-            const int fileNameExtensionLength = fileNameExtension.count();
-            fileName.replace(fileName.count() - fileNameExtensionLength,
+            const int fileNameExtensionLength = fileNameExtension.length();
+            fileName.replace(fileName.length() - fileNameExtensionLength,
                              fileNameExtensionLength, newNameFilterExtension);
             qFileDialogUi->listView->clearSelection();
             lineEdit()->setText(fileName);