diff --git a/src/revpicommander/ui/files_ui.py b/src/revpicommander/ui/files_ui.py
index 120bb07..0d445f5 100644
--- a/src/revpicommander/ui/files_ui.py
+++ b/src/revpicommander/ui/files_ui.py
@@ -78,7 +78,7 @@ class Ui_win_files(object):
         self.vl_local.addLayout(self.hl_revpi_2)
         self.tree_files_local = QtWidgets.QTreeWidget(self.verticalLayoutWidget)
         self.tree_files_local.setEditTriggers(QtWidgets.QAbstractItemView.NoEditTriggers)
-        self.tree_files_local.setSelectionMode(QtWidgets.QAbstractItemView.MultiSelection)
+        self.tree_files_local.setSelectionMode(QtWidgets.QAbstractItemView.ExtendedSelection)
         self.tree_files_local.setSelectionBehavior(QtWidgets.QAbstractItemView.SelectRows)
         self.tree_files_local.setIconSize(QtCore.QSize(24, 24))
         self.tree_files_local.setObjectName("tree_files_local")
@@ -139,7 +139,7 @@ class Ui_win_files(object):
         self.vl_revpi.addLayout(self.hl_revpi)
         self.tree_files_revpi = QtWidgets.QTreeWidget(self.gridLayoutWidget_2)
         self.tree_files_revpi.setEditTriggers(QtWidgets.QAbstractItemView.NoEditTriggers)
-        self.tree_files_revpi.setSelectionMode(QtWidgets.QAbstractItemView.MultiSelection)
+        self.tree_files_revpi.setSelectionMode(QtWidgets.QAbstractItemView.ExtendedSelection)
         self.tree_files_revpi.setSelectionBehavior(QtWidgets.QAbstractItemView.SelectRows)
         self.tree_files_revpi.setIconSize(QtCore.QSize(24, 24))
         self.tree_files_revpi.setObjectName("tree_files_revpi")
diff --git a/ui_dev/files.ui b/ui_dev/files.ui
index 670386e..960168e 100644
--- a/ui_dev/files.ui
+++ b/ui_dev/files.ui
@@ -137,7 +137,7 @@
            <set>QAbstractItemView::NoEditTriggers</set>
           </property>
           <property name="selectionMode">
-           <enum>QAbstractItemView::MultiSelection</enum>
+           <enum>QAbstractItemView::ExtendedSelection</enum>
           </property>
           <property name="selectionBehavior">
            <enum>QAbstractItemView::SelectRows</enum>
@@ -277,7 +277,7 @@
            <set>QAbstractItemView::NoEditTriggers</set>
           </property>
           <property name="selectionMode">
-           <enum>QAbstractItemView::MultiSelection</enum>
+           <enum>QAbstractItemView::ExtendedSelection</enum>
           </property>
           <property name="selectionBehavior">
            <enum>QAbstractItemView::SelectRows</enum>