diff --git a/src/server/controllers/guild/api/style.controller.ts b/src/server/controllers/guild/api/style.controller.ts
index ef2c24d..0f9a67b 100644
--- a/src/server/controllers/guild/api/style.controller.ts
+++ b/src/server/controllers/guild/api/style.controller.ts
@@ -47,8 +47,8 @@ export const post = async (request: Request, response: Response) => {
                 show_footer: show_footer === "on",
                 show_timestamp: show_timestamp === "on",
                 colour: colour,
-                title_mutator: title_mutator,
-                description_mutator: description_mutator
+                title_mutator: title_mutator || null,
+                description_mutator: description_mutator || null
              }
         });
     }
@@ -92,8 +92,8 @@ export const patch = async (request: Request, response: Response) => {
                 show_footer: show_footer === "on",
                 show_timestamp: show_timestamp === "on",
                 colour: colour,
-                title_mutator: title_mutator,
-                description_mutator: description_mutator
+                title_mutator: title_mutator || null,
+                description_mutator: description_mutator || null
              }
         });
     }