diff --git a/nise-backend/src/main/kotlin/com/nisemoe/nise/service/UpdateUserQueueService.kt b/nise-backend/src/main/kotlin/com/nisemoe/nise/service/UpdateUserQueueService.kt
index 95164c7..3fdd28e 100644
--- a/nise-backend/src/main/kotlin/com/nisemoe/nise/service/UpdateUserQueueService.kt
+++ b/nise-backend/src/main/kotlin/com/nisemoe/nise/service/UpdateUserQueueService.kt
@@ -8,6 +8,7 @@ import org.jooq.DSLContext
 import org.springframework.http.ResponseEntity
 import org.springframework.messaging.simp.SimpMessagingTemplate
 import org.springframework.stereotype.Service
+import java.time.Duration
 import java.time.OffsetDateTime
 import java.time.ZoneOffset
 
@@ -43,12 +44,13 @@ class UpdateUserQueueService(
             .limit(1)
             .fetchOneInto(OffsetDateTime::class.java)
 
-        var canUpdate = !isProcessing
-        if(lastCompletedUpdateQueue != null) {
+        var canUpdate = !isProcessing;
+        if (lastCompletedUpdateQueue != null) {
             val now = OffsetDateTime.now(ZoneOffset.UTC)
-            val hoursSinceLastUpdate = now.hour - lastCompletedUpdateQueue.hour
+            val duration = Duration.between(lastCompletedUpdateQueue, now)
+            val hoursSinceLastUpdate = duration.toHours()
 
-            if(hoursSinceLastUpdate < USER_UPDATE_INTERVAL_HOURS)
+            if (hoursSinceLastUpdate < USER_UPDATE_INTERVAL_HOURS)
                 canUpdate = false
         }