diff --git a/src/api_data/server_config.rs b/src/api_data/server_config.rs
index 931c102..16b3b41 100644
--- a/src/api_data/server_config.rs
+++ b/src/api_data/server_config.rs
@@ -4,7 +4,7 @@
 use serde::Serialize;
 
 use crate::constants::{conservation_policy, MIN_SUPPORTED_MOBILE_VERSION, password_policy};
-use crate::constants::conversations::{ALLOWED_CONVERSATION_FILES_TYPES, CONVERSATION_FILES_MAX_SIZE, CONVERSATION_WRITING_EVENT_INTERVAL, CONVERSATION_WRITING_EVENT_LIFETIME, MAX_CONV_IMAGE_MESSAGE_WIDTH, MAX_CONV_MESSAGE_THUMBNAIL_HEIGHT, MAX_CONV_MESSAGE_THUMBNAIL_WIDTH, MAX_CONVERSATION_MESSAGE_LENGTH, MIN_CONVERSATION_MESSAGE_LENGTH};
+use crate::constants::conversations::{ALLOWED_CONVERSATION_FILES_TYPES, CONVERSATION_FILES_MAX_SIZE, CONVERSATION_WRITING_EVENT_INTERVAL, CONVERSATION_WRITING_EVENT_LIFETIME, MAX_CONV_IMAGE_MESSAGE_WIDTH, MAX_CONV_LOGO_HEIGHT, MAX_CONV_LOGO_WIDTH, MAX_CONV_MESSAGE_THUMBNAIL_HEIGHT, MAX_CONV_MESSAGE_THUMBNAIL_WIDTH, MAX_CONVERSATION_MESSAGE_LENGTH, MIN_CONVERSATION_MESSAGE_LENGTH};
 use crate::data::config::conf;
 
 #[derive(Serialize)]
@@ -41,6 +41,8 @@ struct ConversationsPolicy {
     max_message_image_height: u32,
     max_thumbnail_width: u32,
     max_thumbnail_height: u32,
+    max_logo_width: u32,
+    max_logo_height: u32,
 }
 
 #[derive(Serialize)]
@@ -95,6 +97,8 @@ impl ServerConfig {
                 max_message_image_height: MAX_CONV_IMAGE_MESSAGE_WIDTH,
                 max_thumbnail_width: MAX_CONV_MESSAGE_THUMBNAIL_WIDTH,
                 max_thumbnail_height: MAX_CONV_MESSAGE_THUMBNAIL_HEIGHT,
+                max_logo_width: MAX_CONV_LOGO_WIDTH,
+                max_logo_height: MAX_CONV_LOGO_HEIGHT,
             },
         }
     }
diff --git a/src/constants.rs b/src/constants.rs
index fc88816..c94470d 100644
--- a/src/constants.rs
+++ b/src/constants.rs
@@ -208,4 +208,8 @@ pub mod conversations {
     /// Thumbnail size
     pub const MAX_CONV_MESSAGE_THUMBNAIL_WIDTH: u32 = 300;
     pub const MAX_CONV_MESSAGE_THUMBNAIL_HEIGHT: u32 = 300;
+
+    /// Conversation logo size
+    pub const MAX_CONV_LOGO_WIDTH: u32 = 200;
+    pub const MAX_CONV_LOGO_HEIGHT: u32 = 200;
 }
\ No newline at end of file
diff --git a/src/controllers/conversations_controller.rs b/src/controllers/conversations_controller.rs
index 6902fc4..91a63bb 100644
--- a/src/controllers/conversations_controller.rs
+++ b/src/controllers/conversations_controller.rs
@@ -12,7 +12,7 @@ use crate::api_data::res_count_unread_conversations::ResultCountUnreadConversati
 use crate::api_data::res_create_conversation::ResCreateConversation;
 use crate::api_data::res_find_private_conversations::ResFindPrivateConversations;
 use crate::api_data::user_is_writing_message_in_conversation::UserIsWritingMessageInConversation;
-use crate::constants::conversations::{ALLOWED_CONVERSATION_FILES_TYPES, CONVERSATION_FILES_MAX_SIZE, MAX_CONV_IMAGE_MESSAGE_HEIGHT, MAX_CONV_IMAGE_MESSAGE_WIDTH, MAX_CONV_MESSAGE_THUMBNAIL_HEIGHT, MAX_CONV_MESSAGE_THUMBNAIL_WIDTH, MAX_CONVERSATION_MESSAGE_LENGTH, MIN_CONVERSATION_MESSAGE_LENGTH};
+use crate::constants::conversations::{ALLOWED_CONVERSATION_FILES_TYPES, CONVERSATION_FILES_MAX_SIZE, MAX_CONV_IMAGE_MESSAGE_HEIGHT, MAX_CONV_IMAGE_MESSAGE_WIDTH, MAX_CONV_LOGO_HEIGHT, MAX_CONV_LOGO_WIDTH, MAX_CONV_MESSAGE_THUMBNAIL_HEIGHT, MAX_CONV_MESSAGE_THUMBNAIL_WIDTH, MAX_CONVERSATION_MESSAGE_LENGTH, MIN_CONVERSATION_MESSAGE_LENGTH};
 use crate::controllers::user_ws_controller;
 use crate::data::base_request_handler::{BaseRequestHandler, RequestValue};
 use crate::data::conversation::NewConversationSettings;
@@ -108,7 +108,7 @@ pub fn change_image(r: &mut HttpRequestHandler) -> RequestResult {
     let conv_membership = r.post_conv_admin("convID")?;
     let conv = conversations_helper::get_single(conv_membership.conv_id)?;
 
-    let new_image = r.save_post_image("file", "conv-image", 200, 200)?;
+    let new_image = r.save_post_image("file", "conv-image", MAX_CONV_LOGO_WIDTH, MAX_CONV_LOGO_HEIGHT)?;
 
     conversations_helper::remove_conversation_image(&conv)?;