diff --git a/linkmind/src/main/java/com/app/toaster/service/timer/TimerService.java b/linkmind/src/main/java/com/app/toaster/service/timer/TimerService.java
index b4da6d2..0c650bd 100644
--- a/linkmind/src/main/java/com/app/toaster/service/timer/TimerService.java
+++ b/linkmind/src/main/java/com/app/toaster/service/timer/TimerService.java
@@ -55,7 +55,7 @@ public void createTimer(Long userId, CreateTimerRequestDto createTimerRequestDto
 
         int timerNum = timerRepository.findAllByUser(presentUser).size();
 
-        if(timerNum>MaxTimerNumber){
+        if(timerNum>=MaxTimerNumber){
             throw new CustomException(Error.BAD_REQUEST_CREATE_TIMER_EXCEPTION, Error.BAD_REQUEST_CREATE_TIMER_EXCEPTION.getMessage());
         }