diff --git a/lib/cooked_post_processor.rb b/lib/cooked_post_processor.rb
index 4b8aa8c5f7a..1dc0306dfb6 100644
--- a/lib/cooked_post_processor.rb
+++ b/lib/cooked_post_processor.rb
@@ -257,7 +257,7 @@ class CookedPostProcessor
     return unless SiteSetting.crawl_images? || Discourse.store.has_been_uploaded?(url)
 
     @size_cache[url] = FastImage.size(absolute_url)
-  rescue Zlib::BufError, URI::InvalidURIError, URI::InvalidComponentError
+  rescue Zlib::BufError, URI::InvalidURIError, URI::InvalidComponentError, OpenSSL::SSL::SSLError
     # FastImage.size raises BufError for some gifs, leave it.
   end