diff --git a/src/feeds/json.njk b/src/feeds/json.njk
index cff2498..7e5e9c6 100644
--- a/src/feeds/json.njk
+++ b/src/feeds/json.njk
@@ -28,7 +28,7 @@
       "content_html": {% if post.templateContent %}{{ post.templateContent | htmlToAbsoluteUrls(absolutePostUrl) | dump | safe }}{% else %}""{% endif %},
       "date_published": "{{ post.date | dateToRfc3339 }}",
       "tags": {{ post.data.tags | except("posts") | json | safe }},
-      "summary": "{{ post | excerpt }}"
+      "summary": {{ post | excerpt | json | safe }}
     }
     {% if not loop.last %},{% endif %}
     {%- endfor %}
diff --git a/src/feeds/tags/json.njk b/src/feeds/tags/json.njk
index b29238c..693cc2e 100644
--- a/src/feeds/tags/json.njk
+++ b/src/feeds/tags/json.njk
@@ -30,7 +30,7 @@ eleventyImport:
       "content_html": {% if post.templateContent %}{{ post.templateContent | htmlToAbsoluteUrls(absolutePostUrl) | dump | safe }}{% else %}""{% endif %},
       "date_published": "{{ post.date | dateToRfc3339 }}",
       "tags": {{ post.data.tags | except("posts") | json | safe }},
-      "summary": "{{ post | excerpt }}"
+      "summary": {{ post | excerpt | json | safe }}
     }
     {% if not loop.last %},{% endif %}
     {%- endfor %}