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-rw-r--r--src/gui/windows/insertcarddialog.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gui/windows/insertcarddialog.h b/src/gui/windows/insertcarddialog.h
index 938e1b57b..1ebc823b3 100644
--- a/src/gui/windows/insertcarddialog.h
+++ b/src/gui/windows/insertcarddialog.h
@@ -35,7 +35,7 @@ class InsertCardDialog final : public SellDialog
*
* @see Window::Window
*/
- InsertCardDialog(const int itemIndex);
+ explicit InsertCardDialog(const int itemIndex);
A_DELETE_COPY(InsertCardDialog)