diff --git a/Frontend/src/components/xml/XmlTabbedInputComponent.vue b/Frontend/src/components/xml/XmlTabbedInputComponent.vue
index ff0a2ba..0cd8b85 100644
--- a/Frontend/src/components/xml/XmlTabbedInputComponent.vue
+++ b/Frontend/src/components/xml/XmlTabbedInputComponent.vue
@@ -10,7 +10,7 @@ const props = defineProps(
     {
         stylizedName: {type: String, required: true},
         data: {type: Array<TabData>},
-        tabCountLimit: {type: Number, required: false}
+        tabCountLimit: {type: Number, required: false, validator: (value) => typeof value == "number" && value > 0}
     }
 )
 const emit = defineEmits(['update:modelValue'])
diff --git a/Frontend/src/views/XSLTView.vue b/Frontend/src/views/XSLTView.vue
index 164f36e..fc73b55 100644
--- a/Frontend/src/views/XSLTView.vue
+++ b/Frontend/src/views/XSLTView.vue
@@ -22,7 +22,7 @@ function updateVersion(newVersion: string) {
     <div id="layout" class="flex flex-row w-full h-full">
         <div class="flex flex-col 2xl:flex-row w-full xl:w-7/12 grow overflow-hide pr-2">
             <div class="flex flex-col w-full 2xl:w-1/2 h-2/3 2xl:h-full flex-none items-center">
-                <xmlTabbedInputComponent stylized-name="XML" :tab-count-limit="3" v-model="xml"></xmlTabbedInputComponent>
+                <xmlTabbedInputComponent stylized-name="XML" :tab-count-limit="1" v-model="xml"></xmlTabbedInputComponent>
                 <xmlInputFieldComponent stylized-name="XSLT" :data="query" v-model="query"></xmlInputFieldComponent>
             </div>
             <xmlOutputFieldComponent tool="xslt" :xml="xml" :query="query" @update="updateVersion"></xmlOutputFieldComponent>