diff --git a/src/imageinfo.cpp b/src/imageinfo.cpp
index 2a41640..efa79d4 100644
--- a/src/imageinfo.cpp
+++ b/src/imageinfo.cpp
@@ -11,6 +11,8 @@ ImageInfo::ImageInfo(QWidget *parent) : QTreeWidget(parent)
     setIndentation(5);
     QSettings settings;
     header()->restoreState(settings.value("imageinfo/headerstate").toByteArray());
+    setSortingEnabled(true);
+    header()->setSortIndicatorClearable(true);
 }
 
 ImageInfo::~ImageInfo()