diff --git a/config/gemini.yml b/config/gemini.yml
index 1be26d5..2f7f7e7 100644
--- a/config/gemini.yml
+++ b/config/gemini.yml
@@ -3,4 +3,5 @@ format: gemtext
 
 base_url: 'gemini://causa-arcana.com'
 current_path: '/xx/blog/xxxx/xx/xx/xxxxx.xxx'
+images_prefix: '/assets/images/blog'
 relative_urls: true
diff --git a/config/http.yml b/config/http.yml
index 9bd9d1d..12653c7 100644
--- a/config/http.yml
+++ b/config/http.yml
@@ -3,6 +3,7 @@ format: html
 
 base_url: 'https://causa-arcana.com'
 current_path: '/xx/blog/xxxx/xx/xx/xxxxx.xxx'
+images_prefix: '/assets/images/blog'
 relative_urls: true
 
 css_class_annotation: 'nice-annotation'
diff --git a/config/rss.yml b/config/rss.yml
index ef1f34a..93c58be 100644
--- a/config/rss.yml
+++ b/config/rss.yml
@@ -3,6 +3,7 @@ format: html
 
 base_url: 'https://causa-arcana.com'
 current_path: '/xx/blog/xxxx/xx/xx/xxxxx.xxx'
+images_prefix: '/assets/images/blog'
 relative_urls: false
 
 css_class_annotation: 'nice-annotation'
diff --git a/lib/repubmark/config.rb b/lib/repubmark/config.rb
index 7a3f6ea..4f28979 100644
--- a/lib/repubmark/config.rb
+++ b/lib/repubmark/config.rb
@@ -15,6 +15,7 @@ module Repubmark
       css_class_figures_wrap
       css_class_iframe_wrap
       current_path
+      images_prefix
       relative_urls
     ].freeze
 
diff --git a/lib/repubmark/elems/figure.rb b/lib/repubmark/elems/figure.rb
index 0e8c2c2..55a8862 100644
--- a/lib/repubmark/elems/figure.rb
+++ b/lib/repubmark/elems/figure.rb
@@ -58,7 +58,7 @@ module Repubmark
     private
 
       def src
-        @src ||= own_url "/assets/images/blog/#@name"
+        @src ||= own_url "#{config[:images_prefix]}/#@name"
       end
 
       def caption_html