diff --git a/cockatrice/src/dlg_add_set.cpp b/cockatrice/src/dlg_add_set.cpp
index 2d37d6c6f..b019e883b 100644
--- a/cockatrice/src/dlg_add_set.cpp
+++ b/cockatrice/src/dlg_add_set.cpp
@@ -29,8 +29,6 @@ DlgAddSet::DlgAddSet(QWidget *parent, bool success) : QDialog(parent) {
     parentLayout->addWidget(buttonBox);
 
     setLayout(parentLayout);
-
-    exec();
 }
 
 void DlgAddSet::closeDialog()
diff --git a/cockatrice/src/tab_deck_editor.cpp b/cockatrice/src/tab_deck_editor.cpp
index a1426632d..ca5e7ee9f 100644
--- a/cockatrice/src/tab_deck_editor.cpp
+++ b/cockatrice/src/tab_deck_editor.cpp
@@ -907,6 +907,7 @@ void TabDeckEditor::actAddCustomSet()
     );
 
     DlgAddSet dlg(this, res);
+    dlg.exec();
 }
 
 void TabDeckEditor::actEditSets()