diff --git a/src/gui/image/qicon.cpp b/src/gui/image/qicon.cpp
index 40ba84bb14..cca8052424 100644
--- a/src/gui/image/qicon.cpp
+++ b/src/gui/image/qicon.cpp
@@ -362,7 +362,7 @@ static inline int origIcoDepth(const QImage &image)
     return s.isEmpty() ? 32 : s.toInt();
 }
 
-static inline int findBySize(const QList<QImage> &images, const QSize &size)
+static inline int findBySize(const QVector<QImage> &images, const QSize &size)
 {
     for (int i = 0; i < images.size(); ++i) {
         if (images.at(i).size() == size)
@@ -426,7 +426,7 @@ void QPixmapIconEngine::addFile(const QString &fileName, const QSize &size, QIco
     // these files may contain low-resolution images. As this information is lost,
     // ICOReader sets the original format as an image text key value. Read all matching
     // images into a list trying to find the highest quality per size.
-    QList<QImage> icoImages;
+    QVector<QImage> icoImages;
     while (imageReader.read(&image)) {
         if (ignoreSize || image.size() == size) {
             const int position = findBySize(icoImages, image.size());