diff --git a/webapp_calendar.py b/webapp_calendar.py
index 7a7366e4e..77d35f1d1 100644
--- a/webapp_calendar.py
+++ b/webapp_calendar.py
@@ -493,16 +493,18 @@ def html_calendar(person_cache: {}, translate: {},
     if '/users/' in actor:
         cal_actor = '/users/' + actor.split('/users/')[1]
 
+    banner_file, _ = \
+        get_banner_file(base_dir, nickname, domain, theme)
+    banner_path = '/users/' + nickname + '/' + banner_file
+
     instance_title = \
         get_config_param(base_dir, 'instanceTitle')
-    preload_images = []
+    preload_images = [banner_path]
     header_str = \
         html_header_with_external_style(css_filename, instance_title, None,
                                         preload_images)
 
     # show banner
-    banner_file, _ = \
-        get_banner_file(base_dir, nickname, domain, theme)
     calendar_str = \
         '<header>\n<a href="/users/' + \
         nickname + '/' + default_timeline + '" title="' + \
@@ -512,7 +514,7 @@ def html_calendar(person_cache: {}, translate: {},
         access_keys['menuTimeline'] + '">\n'
     calendar_str += '<img loading="lazy" decoding="async" ' + \
         'class="timeline-banner" alt="" ' + \
-        'src="/users/' + nickname + '/' + banner_file + '" /></a>\n' + \
+        'src="' + banner_path + '" /></a>\n' + \
         '</header>\n'
 
     # the main graphical calendar as a table
diff --git a/webapp_create_post.py b/webapp_create_post.py
index c76000680..824a22743 100644
--- a/webapp_create_post.py
+++ b/webapp_create_post.py
@@ -389,6 +389,7 @@ def html_new_post(edit_post_params: {},
     # filename of the banner shown at the top
     banner_file, _ = \
         get_banner_file(base_dir, nickname, domain, theme)
+    banner_path = '/users/' + nickname + '/' + banner_file
 
     if not path.endswith('/newshare') and not path.endswith('/newwanted'):
         if not path.endswith('/newreport'):
@@ -1085,7 +1086,7 @@ def html_new_post(edit_post_params: {},
         date_and_location += end_edit_section()
 
     instance_title = get_config_param(base_dir, 'instanceTitle')
-    preload_images = []
+    preload_images = [banner_path]
     new_post_form = html_header_with_external_style(css_filename,
                                                     instance_title, None,
                                                     preload_images)
@@ -1099,7 +1100,7 @@ def html_new_post(edit_post_params: {},
         'accesskey="' + access_keys['menuTimeline'] + '">\n'
     new_post_form += '<img loading="lazy" decoding="async" ' + \
         'class="timeline-banner" src="' + \
-        '/users/' + nickname + '/' + banner_file + '" alt="" /></a>\n' + \
+        banner_path + '" alt="" /></a>\n' + \
         '</header>\n'
 
     mentions_str = ''