diff --git a/app/ddsviewer.h b/app/ddsviewer.h
index f49bbc2..d5b8ce0 100644
--- a/app/ddsviewer.h
+++ b/app/ddsviewer.h
@@ -1,29 +1,29 @@
-#ifndef DDSVIEWER_H
-#define DDSVIEWER_H
-
-#include "ddsfile.h"
-#include <QWidget>
-
-namespace Ui {
-class DDSViewer;
-}
-
-class DDSViewer : public QWidget
-{
-    Q_OBJECT
-
-public:
-    explicit DDSViewer(QWidget *parent = nullptr);
-    ~DDSViewer();
-
-    void SetDDSFile(std::shared_ptr<DDSFile> aDDSFile);
-
-private slots:
-    void MipmapIndexChanged(int aMipmapIndex);
-
-private:
-    Ui::DDSViewer *ui;
-    std::shared_ptr<DDSFile> mDDSFile;
-};
-
-#endif // DDSVIEWER_H
+#ifndef DDSVIEWER_H
+#define DDSVIEWER_H
+
+#include "ddsfile.h"
+#include <QWidget>
+
+namespace Ui {
+class DDSViewer;
+}
+
+class DDSViewer : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit DDSViewer(QWidget *parent = nullptr);
+    ~DDSViewer();
+
+    void SetDDSFile(const DDSFile *aDDSFile);
+
+private slots:
+    void MipmapIndexChanged(int aMipmapIndex);
+
+private:
+    Ui::DDSViewer *ui;
+    const DDSFile* mDDSFile;
+};
+
+#endif // DDSVIEWER_H