diff --git a/server/api/clients.post.ts b/server/api/clients.post.ts
index 97df465..486e35b 100644
--- a/server/api/clients.post.ts
+++ b/server/api/clients.post.ts
@@ -28,10 +28,10 @@ export function checkIsClient<Patch extends boolean = boolean>(
     });
   }
 
-  if (!(typeof value.name === "string" || value.name === null || (!patch && value.name === undefined))) errors.set("name", "is not string or null");
-  if (!(typeof value.address === "string" || value.address === null || (!patch && value.address === undefined))) errors.set("address", "is not string or null");
-  if (!(typeof value.phone === "string" || value.phone === null || (!patch && value.phone === undefined))) errors.set("phone", "is not string or null");
-  if (!(typeof value.email === "string" || value.email === null || (!patch && value.email === undefined))) errors.set("email", "is not string or null");
+  if (!(typeof value.name === "string" || value.name === null || (patch && value.name === undefined))) errors.set("name", "is not string or null");
+  if (!(typeof value.address === "string" || value.address === null || (patch && value.address === undefined))) errors.set("address", "is not string or null");
+  if (!(typeof value.phone === "string" || value.phone === null || (patch && value.phone === undefined))) errors.set("phone", "is not string or null");
+  if (!(typeof value.email === "string" || value.email === null || (patch && value.email === undefined))) errors.set("email", "is not string or null");
 
   for (const i in value as Partial<Omit<Client, "id">>)
     if (!clientKeys.includes(i)) errors.set(i, `excessive property`);