diff --git a/webapp/src/views/ConfigAdminView.vue b/webapp/src/views/ConfigAdminView.vue
index 3e4ed3be..fec15fdb 100644
--- a/webapp/src/views/ConfigAdminView.vue
+++ b/webapp/src/views/ConfigAdminView.vue
@@ -263,7 +263,7 @@ export default defineComponent({
         },
         onUploadFileChange() {
             const target = this.$refs.file as HTMLInputElement;
-            if (target.files !== null) {
+            if (target.files !== null && target.files[0]) {
                 this.file = target.files[0];
             }
             if (!this.file) return;
@@ -302,7 +302,7 @@ export default defineComponent({
             this.uploading = true;
             const formData = new FormData();
             const target = this.$refs.file as HTMLInputElement; //  event.target as HTMLInputElement;
-            if (target.files !== null && target.files?.length > 0) {
+            if (target.files !== null && target.files[0]) {
                 this.file = target.files[0];
             } else {
                 this.UploadError = this.$t('fileadmin.NoFileSelected');
diff --git a/webapp/src/views/FirmwareUpgradeView.vue b/webapp/src/views/FirmwareUpgradeView.vue
index 996338f1..fecb28e9 100644
--- a/webapp/src/views/FirmwareUpgradeView.vue
+++ b/webapp/src/views/FirmwareUpgradeView.vue
@@ -134,7 +134,7 @@ export default defineComponent({
             const formData = new FormData();
             if (event !== null) {
                 const target = event.target as HTMLInputElement;
-                if (target.files !== null) {
+                if (target.files !== null && target.files[0]) {
                     this.file = target.files[0];
                 }
             }