diff --git a/source/installation/proxy/nginx.html.md b/source/installation/proxy/nginx.html.md
index 867d95c..6486981 100644
--- a/source/installation/proxy/nginx.html.md
+++ b/source/installation/proxy/nginx.html.md
@@ -44,7 +44,7 @@ server {
     add_header X-Frame-Options DENY;
     add_header X-Content-Type-Options nosniff;
     add_header X-XSS-Protection "1; mode=block";
-    add_header Content-Security-Policy "default-src 'self' 'unsafe-inline'; frame-ancestors 'self'; frame-src https:";
+    add_header Content-Security-Policy "default-src 'self' 'unsafe-inline'; frame-ancestors 'self'; frame-src https:; img-src *";
 
     location / {
         proxy_pass http://localhost:7878/;