diff --git a/src/js/Content/Features/Store/RegisterKey/FMultiProductKeys.ts b/src/js/Content/Features/Store/RegisterKey/FMultiProductKeys.ts
index 15235e675..8aa74876f 100644
--- a/src/js/Content/Features/Store/RegisterKey/FMultiProductKeys.ts
+++ b/src/js/Content/Features/Store/RegisterKey/FMultiProductKeys.ts
@@ -185,6 +185,8 @@ export default class FMultiProductKeys extends Feature<CRegisterKey> {
                 "__alreadyentered__",
                 document.querySelector<HTMLInputElement>("#product_key")!.value.replace(/,/g, "\n")
             ),
+          // avoid losing user inputted keys by making dialog dismissal an explicit interaction
+          { bExplicitDismissalOnly: true }
         );
     }
 }