diff --git a/imageinfo.cpp b/imageinfo.cpp
index e5af686..544fae6 100644
--- a/imageinfo.cpp
+++ b/imageinfo.cpp
@@ -1,4 +1,6 @@
 #include "imageinfo.h"
+#include <QSettings>
+#include <QHeaderView>
 
 static const QVector<QByteArray> noEditableKey = {"SIMPLE", "BITPIX", "NAXIS", "NAXIS1", "NAXIS2", "NAXIS3", "EXTEND", "BZERO", "BSCALE"};
 
@@ -12,6 +14,14 @@ ImageInfo::ImageInfo(QWidget *parent) : QTreeWidget(parent)
     setColumnCount(3);
     setHeaderLabels({tr("Property"), tr("Value"), tr("Comment")});
     setIndentation(5);
+    QSettings settings;
+    header()->restoreState(settings.value("imageinfo/headerstate").toByteArray());
+}
+
+ImageInfo::~ImageInfo()
+{
+    QSettings settings;
+    settings.setValue("imageinfo/headerstate", header()->saveState());
 }
 
 void ImageInfo::setInfo(const ImageInfoData &info)
diff --git a/imageinfo.h b/imageinfo.h
index 9df1d41..d57538f 100644
--- a/imageinfo.h
+++ b/imageinfo.h
@@ -31,7 +31,8 @@ class ImageInfo : public QTreeWidget
 {
     Q_OBJECT
 public:
-    ImageInfo(QWidget *parent);
+    explicit ImageInfo(QWidget *parent);
+    ~ImageInfo();
 public slots:
     void setInfo(const ImageInfoData &info);
 };