diff --git a/core/server/api/canary/utils/serializers/output/utils/post-gating.js b/core/server/api/canary/utils/serializers/output/utils/post-gating.js
index 465cc22b23..0511856d40 100644
--- a/core/server/api/canary/utils/serializers/output/utils/post-gating.js
+++ b/core/server/api/canary/utils/serializers/output/utils/post-gating.js
@@ -7,7 +7,9 @@ const forPost = (attrs, frame) => {
 
         if (!memberHasAccess) {
             ['plaintext', 'html'].forEach((field) => {
-                attrs[field] = '';
+                if (attrs[field] !== undefined) {
+                    attrs[field] = '';
+                }
             });
         }
     }
diff --git a/core/server/api/v2/utils/serializers/output/utils/post-gating.js b/core/server/api/v2/utils/serializers/output/utils/post-gating.js
index 465cc22b23..0511856d40 100644
--- a/core/server/api/v2/utils/serializers/output/utils/post-gating.js
+++ b/core/server/api/v2/utils/serializers/output/utils/post-gating.js
@@ -7,7 +7,9 @@ const forPost = (attrs, frame) => {
 
         if (!memberHasAccess) {
             ['plaintext', 'html'].forEach((field) => {
-                attrs[field] = '';
+                if (attrs[field] !== undefined) {
+                    attrs[field] = '';
+                }
             });
         }
     }