diff --git a/public/typo3conf/ext/ep_theme/Resources/Private/Assets/js/components/GroupsPriceCalculator.vue b/public/typo3conf/ext/ep_theme/Resources/Private/Assets/js/components/GroupsPriceCalculator.vue
index 4b95cd6f..f56bdd7f 100644
--- a/public/typo3conf/ext/ep_theme/Resources/Private/Assets/js/components/GroupsPriceCalculator.vue
+++ b/public/typo3conf/ext/ep_theme/Resources/Private/Assets/js/components/GroupsPriceCalculator.vue
@@ -444,7 +444,7 @@ export default {
                 }
             }
             if (this.selectedBoard && this.totalPax < 50) {
-                undersubscription = this.totalPax * 5
+                undersubscription = this.totalPax * 5 * this.selectedRange.length
             }
             return {base, additional, undersubscription};
         },