diff --git a/nx/include/switch/kernel/svc.h b/nx/include/switch/kernel/svc.h
index c43ed999..47a3b9e3 100644
--- a/nx/include/switch/kernel/svc.h
+++ b/nx/include/switch/kernel/svc.h
@@ -242,10 +242,10 @@ void NORETURN svcExitThread(void);
 
 /**
  * @brief Sleeps the current thread for the specified amount of time.
- * @return Result code.
+ * @param[in] nano Number of nanoseconds to sleep, or 0, -1, -2 for yield.
  * @note Syscall number 0x0B.
  */
-Result svcSleepThread(u64 nano);
+void svcSleepThread(s64 nano);
 
 /**
  * @brief Gets a thread's priority.