diff --git a/web_src/js/components/ContextPopup.vue b/web_src/js/components/ContextPopup.vue
index 752a9a1d6b..7e08ae6580 100644
--- a/web_src/js/components/ContextPopup.vue
+++ b/web_src/js/components/ContextPopup.vue
@@ -95,12 +95,12 @@ export default {
 
       try {
         const response = await GET(`${appSubUrl}/${data.owner}/${data.repo}/issues/${data.index}/info`);
-        const respJson = await response.json();
+        const respText = await response.text();
         if (!response.ok) {
-          this.i18nErrorMessage = respJson.message ?? i18n.network_error;
+          this.i18nErrorMessage = respText ?? i18n.error_occurred;
           return;
         }
-        this.issue = respJson;
+        this.issue = JSON.parse(respText);
       } catch {
         this.i18nErrorMessage = i18n.network_error;
       } finally {