diff --git a/components/lenses/ResponseBodyRenderer.vue b/components/lenses/ResponseBodyRenderer.vue
index 479ec91a3..5fbbbb1bc 100644
--- a/components/lenses/ResponseBodyRenderer.vue
+++ b/components/lenses/ResponseBodyRenderer.vue
@@ -10,10 +10,10 @@
       <component :is="lens.renderer" :response="response" />
     </SmartTab>
     <SmartTab
-      v-if="Object.keys(response.headers).length !== 0"
+      v-if="headerLength"
       id="headers"
       :label="$t('Headers')"
-      :info="Object.keys(response.headers).length.toString()"
+      :info="headerLength.toString()"
     >
       <LensesHeadersRenderer :headers="response.headers" />
     </SmartTab>
@@ -32,7 +32,14 @@ export default {
     response: { type: Object, default: () => {} },
   },
   computed: {
+    headerLength() {
+      if (!this.response || !this.response.headers) return 0
+
+      return Object.keys(this.response.headers).length
+    },
     validLenses() {
+      if (!this.response) return []
+
       return getSuitableLenses(this.response)
     },
   },
diff --git a/pages/index.vue b/pages/index.vue
index 695b03d23..018210489 100644
--- a/pages/index.vue
+++ b/pages/index.vue
@@ -1160,10 +1160,11 @@ export default defineComponent({
       // tests
       const syntheticResponse = {
         status: this.response.status,
-        body: this.response.body,
-        headers: this.response.headers,
+        body: this.response.body || new Uint8Array([]),
+        headers: this.response.headers || [],
       }
 
+      this.response.body = this.response.body || new Uint8Array([])
       // Parse JSON body
       if (
         syntheticResponse.headers["content-type"] &&