diff --git a/config/defaults.hjson b/config/defaults.hjson
index c1cb8d06b..aaf2a94d8 100644
--- a/config/defaults.hjson
+++ b/config/defaults.hjson
@@ -67,6 +67,10 @@
     # Maximum size for user avatar, community icon and site icon.
     max_avatar_size: 512
     # Maximum size for user, community and site banner.
+    # 
+    # TODO: Unfortunately pictrs can only resize images to fit in a*a square, no rectangle.
+    #       Otherwise we have to use crop, or use max_width/max_height which throws error
+    #       if image is larger.
     max_banner_size: 512
   }
   # Email sending configuration. All options except login/password are mandatory
diff --git a/crates/api_common/src/image.rs b/crates/api_common/src/image.rs
index df033f285..c28832921 100644
--- a/crates/api_common/src/image.rs
+++ b/crates/api_common/src/image.rs
@@ -9,7 +9,9 @@ use url::Url;
 #[cfg_attr(feature = "full", derive(TS))]
 #[cfg_attr(feature = "full", ts(export))]
 pub struct ImageGetParams {
+  #[cfg_attr(feature = "full", ts(optional))]
   pub file_type: Option<String>,
+  #[cfg_attr(feature = "full", ts(optional))]
   pub max_size: Option<i32>,
 }
 
@@ -27,7 +29,9 @@ pub struct DeleteImageParams {
 #[cfg_attr(feature = "full", ts(export))]
 pub struct ImageProxyParams {
   pub url: String,
+  #[cfg_attr(feature = "full", ts(optional))]
   pub file_type: Option<String>,
+  #[cfg_attr(feature = "full", ts(optional))]
   pub max_size: Option<i32>,
 }
 
diff --git a/crates/utils/src/settings/structs.rs b/crates/utils/src/settings/structs.rs
index 304884393..28710e8ca 100644
--- a/crates/utils/src/settings/structs.rs
+++ b/crates/utils/src/settings/structs.rs
@@ -110,8 +110,8 @@ pub struct PictrsConfig {
   pub max_avatar_size: u32,
 
   /// Maximum size for user, community and site banner.
-  /// 
-  /// TODO: Unfortunately pictrs can only resize images to fit in a*a square, no rectangle. 
+  ///
+  /// TODO: Unfortunately pictrs can only resize images to fit in a*a square, no rectangle.
   ///       Otherwise we have to use crop, or use max_width/max_height which throws error
   ///       if image is larger.
   #[default(512)]