diff --git a/src/Mod/Sketcher/Gui/CommandSketcherTools.cpp b/src/Mod/Sketcher/Gui/CommandSketcherTools.cpp
index 53c53ec6e2..aee88cd533 100644
--- a/src/Mod/Sketcher/Gui/CommandSketcherTools.cpp
+++ b/src/Mod/Sketcher/Gui/CommandSketcherTools.cpp
@@ -306,14 +306,14 @@ void CmdSketcherSelectConstraints::activated(int iMsg)
 {
     Q_UNUSED(iMsg);
 
-    // Cancel any in-progress operation
-    Gui::Document* doc = Gui::Application::Instance->activeDocument();
-    SketcherGui::ReleaseHandler(doc);
-
     // get the selection
     std::vector<Gui::SelectionObject> selection;
     selection = getSelection().getSelectionEx(0, Sketcher::SketchObject::getClassTypeId());
 
+    // Cancel any in-progress operation
+    Gui::Document* doc = Gui::Application::Instance->activeDocument();
+    SketcherGui::ReleaseHandler(doc);
+
     // only one sketch with its subelements are allowed to be selected
     if (selection.size() != 1) {
         QMessageBox::warning(Gui::getMainWindow(), QObject::tr("Wrong selection"),